| Rank | Average Min. Temperature ▼ | School District / Population |
| 1. | 47.27°F | Massac Unit School District 1 / 13,609 |
| 2. | 47.09°F | Cairo Community Unit School District 1 / 2,950 |
| 3. | 47.04°F | Meridian Community Unit School District 101 / 3,649 |
| 4. | 46.73°F | Century Community Unit School District 100 / 2,442 |
| 5. | 46.56°F | Cypress School District 64 / 888 |
| 6. | 46.47°F | Joppa-Maple Grove Unit District 38 / 1,492 |
| 7. | 46.40°F | Dongola School Unit District 66 / 2,027 |
| 8. | 46.40°F | Egyptian Community Unit School District 5 / 3,709 |
| 9. | 46.32°F | Mascoutah Community Unit School District 19 / 17,996 |
| 10. | 46.27°F | New Athens Community Unit School District 60 / 3,561 |
| 11. | 46.13°F | Columbia Community Unit School District 4 / 12,542 |
| 12. | 46.13°F | Wesclin Community Unit School District 3 / 7,971 |
| 13. | 46.06°F | Lebanon Community Unit School District 9 / 5,305 |
| 14. | 46.05°F | Smithton Community Consolidated School District 130 / 4,559 |
| 15. | 46.04°F | Freeburg Community Consolidated School District 70 / 7,714 |
| 16. | 46.04°F | Freeburg Community High School District 77 / 13,146 |
| 17. | 46.01°F | Pope County Community Unit School District 1 / 4,362 |
| 18. | 45.99°F | Millstadt Consolidated Community School District 160 / 8,650 |
| 19. | 45.98°F | Waterloo Community Unit School District 5 / 17,772 |
| 20. | 45.96°F | Jonesboro Community Consolidated School District 43 / 2,834 |
| 21. | 45.96°F | Red Bud Community Unit School District 132 / 7,965 |
| 22. | 45.96°F | Hardin County Community Unit School District 1 / 4,226 |
| 23. | 45.93°F | Vienna School District 55 / 4,547 |
| 24. | 45.92°F | Vienna High School District 133 / 8,921 |
| 25. | 45.91°F | Prairie du Rocher Community Consolidated School District 134 / 973 |
| 25. | 45.91°F | Chester Non-High School District 122 / 973 |
| 27. | 45.90°F | Harmony Emge School District 175 / 10,158 |
| 28. | 45.90°F | Belleville Township High School District 201 / 108,125 |
| 29. | 45.90°F | Belleville School District 118 / 37,394 |
| 30. | 45.89°F | High Mount School District 116 / 4,027 |
| 31. | 45.88°F | Belle Valley School District 119 / 9,582 |
| 32. | 45.88°F | Buncombe Consolidated School District 43 / 721 |
| 33. | 45.88°F | Wolf Branch School District 113 / 7,789 |
| 34. | 45.88°F | Signal Hill School District 181 / 3,481 |
| 35. | 45.87°F | Whiteside School District 115 / 12,608 |
| 36. | 45.86°F | Pontiac-William Holliday School District 105 / 7,796 |
| 37. | 45.86°F | Grant Community Consolidated School District 110 / 7,600 |
| 38. | 45.85°F | Central School District 104 / 4,970 |
| 39. | 45.85°F | Shiloh Village School District 85 / 4,953 |
| 40. | 45.85°F | Cahokia Community Unit School District 187 / 18,889 |
| 41. | 45.85°F | O'Fallon Township High School District 203 / 40,469 |
| 42. | 45.84°F | O'Fallon Community Consolidated School District 90 / 29,590 |
| 43. | 45.84°F | Herrin Community Unit School District 4 / 16,423 |
| 44. | 45.83°F | East St. Louis School District 189 / 37,689 |
| 45. | 45.82°F | Collinsville Community Unit School District 10 / 48,076 |
| 46. | 45.81°F | New Simpson Hill Consolidated District 32 / 2,765 |
| 47. | 45.78°F | St. Libory Consolidated School District 30 / 869 |
| 48. | 45.77°F | Marissa Community Unit School District 40 / 3,476 |
| 49. | 45.75°F | Triad Community Unit School District 2 / 21,195 |
| 50. | 45.70°F | Marion Community Unit School District 2 / 27,844 |
| 51. | 45.64°F | Carrier Mills-Stonefort Community Unit School District / 2,962 |
| 52. | 45.62°F | Carterville Community Unit School District 5 / 11,927 |
| 53. | 45.58°F | Dupo Community Unit School District 196 / 7,209 |
| 54. | 45.58°F | Giant City Community Consolidated School District 130 / 2,678 |
| 55. | 45.55°F | Brooklyn Community Unit School District 188 / 807 |
| 56. | 45.55°F | Madison Community Unit School District 12 / 4,892 |
| 57. | 45.54°F | Venice Community Unit School District 3 / 688 |
| 58. | 45.54°F | Zeigler-Royalton Community Unit School District 188 / 4,186 |
| 59. | 45.53°F | Crab Orchard Community Unit School District 3 / 2,632 |
| 60. | 45.52°F | Cobden School Unit District 17 / 3,899 |
| 61. | 45.52°F | Anna Jonesboro Community High School District 81 / 10,764 |
| 62. | 45.52°F | Shawnee Community Unit School District 84 / 2,425 |
| 63. | 45.52°F | Anna Community Consolidated School District 37 / 6,410 |
| 64. | 45.51°F | Lick Creek Community Consolidated School District 16 / 1,520 |
| 65. | 45.51°F | Goreville Community Unit School District 1 / 3,882 |
| 66. | 45.49°F | Valmeyer Community Unit School District 3 / 2,579 |
| 67. | 45.48°F | Christopher Community Unit School District 99 / 5,139 |
| 68. | 45.47°F | Edwardsville Community Unit School District 7 / 51,131 |
| 69. | 45.46°F | Granite City Community Unit School District 9 / 43,198 |
| 70. | 45.43°F | Coulterville Unit School District 1 / 1,711 |
| 71. | 45.42°F | Sesser-Valier Community Unit School District 196 / 4,212 |
| 72. | 45.42°F | Aviston School District 21 / 2,837 |
| 73. | 45.41°F | Frankfort Community Unit School District 168 / 11,868 |
| 74. | 45.41°F | Albers School District 63 / 1,409 |
| 75. | 45.39°F | Johnston City Community Unit School District 1 / 7,321 |
| 76. | 45.39°F | Sparta Community Unit School District 140 / 8,407 |
| 77. | 45.36°F | Pinckneyville Community High School District 101 / 10,799 |
| 78. | 45.36°F | Du Quoin Community Unit School District 300 / 9,591 |
| 79. | 45.34°F | Pinckneyville School District 50 / 6,531 |
| 80. | 45.32°F | Elverado Community Unit School District 196 / 2,981 |
| 81. | 45.30°F | Unity Point Community Consolidated School District 140 / 5,438 |
| 82. | 45.30°F | Benton Community Consolidated School District 47 / 10,031 |
| 83. | 45.29°F | Carbondale Community High School District 165 / 37,544 |
| 84. | 45.28°F | Carbondale Elementary School District 95 / 27,528 |
| 85. | 45.25°F | De Soto Consolidated School District 86 / 1,900 |
| 86. | 45.24°F | Tamaroa School District 5 / 719 |
| 87. | 45.23°F | Community Consolidated School District 204 / 3,614 |
| 88. | 45.23°F | Damiansville School District 62 / 756 |
| 89. | 45.22°F | Central Community High School District 71 / 16,730 |
| 90. | 45.21°F | Harrisburg Community Unit School District 3 / 12,763 |
| 91. | 45.21°F | Murphysboro Community Unit School District 186 / 15,544 |
| 92. | 45.18°F | Nashville Consolidated Community School District 49 / 5,710 |
| 93. | 45.16°F | Steeleville Community Unit School District 138 / 3,126 |
| 94. | 45.15°F | Germantown School District 60 / 1,714 |
| 95. | 45.15°F | Bartelso School District 57 / 1,292 |
| 96. | 45.15°F | Trico Community Unit School District 176 / 6,317 |
| 97. | 45.14°F | West Washington County Community Unit District 10 / 4,012 |
| 98. | 45.14°F | Oakdale Community Consolidated School District 1 / 714 |
| 99. | 45.13°F | Benton Consolidated High School District 103 / 12,420 |
| 100. | 45.12°F | Ewing Northern Community Consolidated District 115 / 1,710 |
| 101. | 45.12°F | Breese School District 12 / 7,258 |
| 102. | 45.12°F | Ina Community Consolidated School District 8 / 3,060 |
| 103. | 45.09°F | Thompsonville Community Unit School District 174 / 2,161 |
| 104. | 45.07°F | Chester Community Unit School District 139 / 11,183 |
| 105. | 45.05°F | Dodds Community Consolidated School District 7 / 1,374 |
| 106. | 45.04°F | Hoyleton Consolidated School District 29 / 977 |
| 107. | 45.03°F | Irvington County Community Unit School District 11 / 833 |
| 108. | 44.97°F | Norris City-Omaha-Enfield Community Unit School District 3 / 4,586 |
| 109. | 44.97°F | Ashley Community Consolidated School District 15 / 1,836 |
| 110. | 44.97°F | Akin Community Consolidated School District 91 / 775 |
| 111. | 44.96°F | Opdyke-Belle Rive Community Consolidated School District 5 / 2,033 |
| 112. | 44.93°F | Waltonville Community Unit School District 1 / 2,067 |
| 113. | 44.93°F | Nashville Community High School District 99 / 8,905 |
| 114. | 44.91°F | Gallatin Community Unit School District 7 / 5,212 |
| 115. | 44.89°F | North Wamac School District 186 / 990 |
| 116. | 44.88°F | Woodlawn Community High School District 205 / 3,230 |
| 117. | 44.87°F | Galatia Community Unit School District 1 / 2,183 |
| 118. | 44.87°F | Willow Grove School District 46 / 2,239 |
| 119. | 44.87°F | Carmi-White County Community Unit School District 5 / 9,150 |
| 120. | 44.87°F | Eldorado Community Unit School District 4 / 7,286 |
| 121. | 44.86°F | Centralia High School District 200 / 21,153 |
| 122. | 44.85°F | Centralia School District 135 / 13,320 |
| 123. | 44.84°F | Grand Prairie Community Consolidated School District 6 / 806 |
| 124. | 44.81°F | Central City School District 133 / 2,019 |
| 125. | 44.79°F | St. Rose School District 14-15 / 1,464 |
| 126. | 44.79°F | McClellan Community Consolidated School District 12 / 860 |
| 127. | 44.75°F | Odin Community High School District 700 / 1,680 |
| 128. | 44.74°F | Odin School District 122 / 1,702 |
| 129. | 44.74°F | Bethel School District 82 / 1,072 |
| 130. | 44.74°F | Woodlawn Community Consolidated School District 4 / 2,771 |
| 131. | 44.74°F | Bluford Community Consolidated School District 114 / 2,556 |
| 132. | 44.73°F | Highland Community Unit School District 5 / 18,392 |
| 133. | 44.66°F | Carlyle Community Unit School District 1 / 9,775 |
| 134. | 44.64°F | Hamilton County Community Unit School District 10 / 7,794 |
| 135. | 44.62°F | Wayne City Community Unit School District 100 / 3,702 |
| 136. | 44.61°F | Fairfield Community High School District 225 / 10,034 |
| 137. | 44.61°F | Salem Community High School District 600 / 15,043 |
| 138. | 44.57°F | Edwards County Community Unit School District 1 / 5,879 |
| 139. | 44.56°F | Wabash Community Unit School District 348 / 10,610 |
| 140. | 44.56°F | Raccoon Consolidated School District 1 / 2,489 |
| 141. | 44.55°F | Grayville Community Unit School District 1 / 1,960 |
| 142. | 44.54°F | Selmaville Community Consolidated School District 10 / 1,960 |
| 143. | 44.54°F | Farrington Community Consolidated School District 99 / 621 |
| 144. | 44.53°F | Mount Vernon School District 80 / 13,934 |
| 145. | 44.52°F | Mount Vernon Township High School District 201 / 29,843 |
| 146. | 44.52°F | Field Community Consolidated School District 3 / 2,768 |
| 147. | 44.52°F | Summersville School District 79 / 1,880 |
| 148. | 44.52°F | Rome Community Consolidated School District 2 / 2,519 |
| 149. | 44.51°F | Kell Consolidated School District 2 / 993 |
| 150. | 44.48°F | Webber Township High School District 204 / 2,946 |
| 151. | 44.48°F | Allendale Community Consolidated School District 17 / 1,120 |
| 152. | 44.46°F | Sandoval Community Unit School District 501 / 2,560 |
| 153. | 44.45°F | Geff Community Consolidated School District 14 / 939 |
| 154. | 44.45°F | Fairfield Public School District 112 / 6,126 |
| 155. | 44.44°F | New Hope Community Consolidated School District 6 / 1,512 |
| 156. | 44.44°F | North Wayne Community Unit School District 200 / 2,556 |
| 157. | 44.43°F | Iuka Community Consolidated School District 7 / 1,930 |
| 158. | 44.39°F | Jasper Community Consolidated School District 17 / 1,457 |
| 159. | 44.38°F | Lawrence County Community Unit District 20 / 7,744 |
| 160. | 44.37°F | East Richland Community Unit School District 1 / 14,132 |
| 161. | 44.37°F | Wood River-Hartford Elementary School District 15 / 6,110 |
| 162. | 44.36°F | Roxana Community Unit School District 1 / 12,372 |
| 163. | 44.34°F | East Alton-Wood River Community High School District 14 / 13,730 |
| 164. | 44.33°F | Red Hill Community Unit School District 10 / 9,035 |
| 165. | 44.32°F | Salem School District 111 / 8,695 |
| 166. | 44.32°F | Clay City Community Unit District 10 / 2,505 |
| 167. | 44.32°F | West Richland Community Unit School District 2 / 2,010 |
| 168. | 44.31°F | East Alton School District 13 / 7,620 |
| 169. | 44.30°F | Flora Community Unit School District 35 / 8,030 |
| 170. | 44.29°F | Bethalto Consolidated Unit School District 8 / 15,879 |
| 171. | 44.13°F | North Clay Community Unit School District 25 / 3,746 |
| 172. | 43.93°F | South Central Community Unit School District 401 / 5,051 |
| 173. | 43.85°F | Alton Community Unit School District 11 / 48,514 |
| 174. | 43.82°F | Oblong Community Unit School District 4 / 3,764 |
| 175. | 43.79°F | Patoka Community Unit School District 100 / 1,692 |
| 176. | 43.76°F | Bond County Community Unit School District 2 / 13,391 |
| 177. | 43.74°F | Mulberry Grove Community Unit School District 1 / 2,499 |
| 178. | 43.61°F | Robinson Community Unit School District 2 / 11,988 |
| 179. | 43.59°F | Jasper County Community Unit School District 1 / 9,430 |
| 180. | 43.57°F | Hillsboro Community Unit School District 3 / 14,713 |
| 181. | 43.55°F | Litchfield Community Unit School District 12 / 8,873 |
| 182. | 43.54°F | Palestine Community Unit School District 3 / 2,464 |
| 183. | 43.53°F | Hutsonville Community Unit School District 1 / 2,100 |
| 184. | 43.47°F | Panhandle Community Unit School District 2 / 2,280 |
| 185. | 43.46°F | Morrisonville Community Unit School District 1 / 1,682 |
| 186. | 43.39°F | Cumberland Community Unit School District 77 / 6,411 |
| 187. | 43.38°F | Neoga Community Unit School District 3 / 5,140 |
| 188. | 43.36°F | Teutopolis Community Unit School District 50 / 5,323 |
| 189. | 43.34°F | Mount Olive Community Unit School District 5 / 3,362 |
| 190. | 43.33°F | Mattoon Community Unit School District 2 / 23,177 |
| 191. | 43.33°F | Dieterich Community Unit School District 30 / 2,499 |
| 192. | 43.30°F | Western Community Unit School District 12 / 3,670 |
| 193. | 43.29°F | Staunton Community Unit School District 6 / 8,400 |
| 194. | 43.28°F | Martinsville Community Unit School District 3C / 2,335 |
| 195. | 43.28°F | Ramsey Community Unit School District 204 / 2,709 |
| 196. | 43.28°F | Casey-Westfield Community Unit School District 4C / 5,922 |
| 197. | 43.23°F | South Fork School District 14 / 2,601 |
| 198. | 43.22°F | Taylorville Community Unit School District 3 / 18,760 |
| 199. | 43.17°F | Vandalia Community Unit School District 203 / 11,080 |
| 200. | 43.17°F | Arcola Consolidated Unit School District 306 / 4,441 |
| 201. | 43.16°F | Nokomis Community Unit School District 22 / 3,925 |
| 202. | 43.16°F | Marshall Community Unit School District 2C / 8,115 |
| 203. | 43.15°F | Charleston Community Unit School District 1 / 28,395 |
| 204. | 43.14°F | Pawnee Community Unit School District 11 / 3,304 |
| 205. | 43.10°F | Paris Community Unit School District 4 / 3,997 |
| 206. | 43.10°F | Paris-Union School District 95 / 8,469 |
| 207. | 43.09°F | Kansas Community Unit School District 3 / 1,565 |
| 208. | 43.08°F | Brownstown Community Unit School District 201 / 1,961 |
| 209. | 43.08°F | Effingham Community Unit School District 40 / 20,319 |
| 210. | 43.07°F | Stewardson-Strasburg Community Unit District 5A / 2,404 |
| 211. | 43.06°F | Cowden-Herrick Community Unit School District 3A / 2,582 |
| 212. | 43.03°F | Okaw Valley Community Unit School District 302 / 3,423 |
| 213. | 43.03°F | Pikeland Community Unit School District 10 / 8,684 |
| 214. | 43.02°F | Central A & M Community Unit School District 21 / 4,955 |
| 215. | 43.02°F | Shelbyville Community Unit School District 4 / 7,911 |
| 216. | 43.01°F | Virden Community Unit School District 4 / 5,096 |
| 217. | 43.01°F | Girard Community Unit School District 3 / 3,823 |
| 218. | 42.99°F | St. Elmo Community Unit School District 202 / 2,784 |
| 219. | 42.99°F | Auburn Community Unit School District 10 / 6,990 |
| 220. | 42.99°F | Sullivan Community Unit School District 300 / 7,387 |
| 221. | 42.98°F | Windsor Community Unit School District 1 / 2,889 |
| 222. | 42.98°F | Beecher City Community Unit School District 20 / 2,571 |
| 223. | 42.97°F | Altamont Community Unit School District 10 / 4,959 |
| 224. | 42.97°F | Gillespie Community Unit School District 7 / 7,873 |
| 225. | 42.96°F | Jersey Community Unit School District 100 / 20,185 |
| 226. | 42.95°F | Pana Community Unit School District 8 / 8,935 |
| 227. | 42.91°F | Carlinville Community Unit School District 1 / 9,633 |
| 228. | 42.87°F | Brussels Community Unit School District 42 / 1,250 |
| 229. | 42.86°F | Calhoun Community Unit School District 40 / 3,447 |
| 230. | 42.84°F | Oakland Community Unit School District 5 / 1,856 |
| 231. | 42.83°F | Bunker Hill Community Unit School District 8 / 4,468 |
| 232. | 42.81°F | Payson Community Unit School District 1 / 3,956 |
| 233. | 42.81°F | Pleasant Hill Community Unit School District 3 / 1,977 |
| 234. | 42.78°F | Southwestern Community Unit School District 9 / 8,981 |
| 235. | 42.76°F | Ball-Chatham Community Unit School District 5 / 27,509 |
| 236. | 42.73°F | Quincy School District 172 / 51,109 |
| 237. | 42.73°F | Carrollton Community Unit School District 1 / 4,147 |
| 238. | 42.72°F | Arthur Community Unit School District 305 / 7,681 |
| 239. | 42.70°F | Liberty Community Unit School District 2 / 3,201 |
| 240. | 42.63°F | Lovington Community Unit School District 303 / 1,843 |
| 241. | 42.62°F | Edinburg Community Unit School District 4 / 1,949 |
| 242. | 42.57°F | Rochester Community Unit School District 3A / 10,780 |
| 243. | 42.56°F | Northwestern Community Unit School District 2 / 2,079 |
| 244. | 42.54°F | Griggsville-Perry Community Unit School District 4 / 2,079 |
| 245. | 42.51°F | Tri-City Community Unit School District 1 / 3,191 |
| 246. | 42.50°F | Meridian Community Unit School District 15 / 6,569 |
| 247. | 42.40°F | Riverton Community Unit School District 14 / 7,959 |
| 248. | 42.38°F | Edgar County Community Unit District 6 / 2,415 |
| 249. | 42.37°F | Meredosia-Chambersburg Community Unit School District 11 / 1,669 |
| 250. | 42.35°F | Community Unit School District 4 / 3,814 |
| 251. | 42.35°F | Illini West High School District 307 / 8,403 |
| 252. | 42.34°F | Southeastern Community Unit School District 337 / 3,067 |
| 253. | 42.33°F | Carthage Elementary School District 317 / 4,157 |
| 254. | 42.30°F | Waverly Community Unit School District 6 / 1,885 |
| 255. | 42.26°F | Greenfield Community Unit School District 10 / 3,094 |
| 256. | 42.24°F | North Greene Unit School District 3 / 6,089 |
| 257. | 42.21°F | Franklin Community Unit School District 1 / 2,004 |
| 258. | 42.20°F | Jacksonville School District 117 / 28,184 |
| 259. | 42.18°F | Scott-Morgan Consolidated Unit School District 2 / 1,485 |
| 260. | 42.18°F | Winchester Community Unit School District 1 / 3,769 |
| 261. | 42.17°F | Camp Point Community Unit School District 3 / 4,876 |
| 262. | 42.17°F | Hamilton Community Consolidated School District 328 / 3,870 |
| 263. | 42.13°F | Springfield School District 186 / 113,609 |
| 264. | 42.12°F | Community Unit School District 16 / 6,213 |
| 265. | 42.11°F | Brown County Community Unit School District 1 / 6,872 |
| 266. | 42.09°F | Warsaw Community Unit School District 316 / 2,539 |
| 267. | 42.06°F | La Harpe Community School District 347 / 2,240 |
| 268. | 42.03°F | Dallas Elementary School District 327 / 2,006 |
| 269. | 41.93°F | Triopia Community Unit School District 27 / 2,373 |
| 270. | 41.93°F | Shiloh Community Unit School District 1 / 2,965 |
| 271. | 41.89°F | Mount Zion Community Unit School District 3 / 12,245 |
| 272. | 41.88°F | Decatur School District 61 / 71,435 |
| 273. | 41.87°F | Pleasant Plains Community Unit School District 8 / 8,049 |
| 274. | 41.85°F | Sangamon Valley Community Unit School District 9 / 4,136 |
| 275. | 41.85°F | Nauvoo-Colusa Community Unit School District 325 / 2,441 |
| 276. | 41.81°F | Warrensburg-Latham Community Unit District 11 / 6,160 |
| 277. | 41.74°F | West Central Community Unit School District 235 / 6,052 |
| 278. | 41.70°F | Athens Community Unit School District 213 / 5,000 |
| 279. | 41.68°F | Cerro Gordo Community Unit School District 100 / 2,903 |
| 280. | 41.63°F | West Prairie Community Unit School District 103 / 4,809 |
| 281. | 41.61°F | Atwood-Hammond Community Unit School District 39 / 2,444 |
| 282. | 41.57°F | Porta Community Unit School District 202 / 7,234 |
| 283. | 41.54°F | Williamsville Community Unit School District 15 / 7,871 |
| 284. | 41.51°F | Georgetown-Ridge Farm Consolidated Unit School District 4 / 6,788 |
| 285. | 41.51°F | Virginia Community Unit School District 64 / 2,023 |
| 286. | 41.47°F | Argenta-Oreana Community Unit School District 1 / 3,854 |
| 287. | 41.46°F | Maroa-Forsyth Community Unit School District 2 / 6,417 |
| 288. | 41.41°F | A-C Central Community Unit School District 262 / 2,574 |
| 289. | 41.38°F | Mount Pulaski Community Unit District 23 / 3,055 |
| 290. | 41.35°F | Community Consolidated School District 168 / 10,352 |
| 291. | 41.29°F | Sandridge School District 172 / 4,425 |
| 292. | 41.26°F | Jamaica Community Unit School District 12 / 2,311 |
| 293. | 41.26°F | Beardstown Community Unit School District 15 / 7,941 |
| 294. | 41.26°F | Crete-Monee Community Unit School District 201-U / 33,368 |
| 295. | 41.26°F | Westville Community Unit School District 2 / 6,818 |
| 296. | 41.24°F | Monmouth-Roseville Community Unit School District 238 / 11,641 |
| 297. | 41.23°F | Bloom Township High School District 206 / 64,695 |
| 298. | 41.23°F | Sunnybrook School District 171 / 10,897 |
| 299. | 41.23°F | Catlin Community Unit School District 5 / 3,113 |
| 300. | 41.23°F | Macomb Community Unit School District 185 / 22,464 |
| 301. | 41.22°F | Park Forest School District 163 / 15,658 |
| 302. | 41.20°F | Steger School District 194 / 13,985 |
| 303. | 41.20°F | Matteson Elementary School District 162 / 25,667 |
| 304. | 41.19°F | Rich Township High School District 227 / 70,027 |
| 305. | 41.19°F | United Community School District 304 / 5,873 |
| 306. | 41.19°F | Greenview Community Unit School District 200 / 1,692 |
| 307. | 41.18°F | Flossmoor School District 161 / 21,927 |
| 308. | 41.18°F | Brookwood School District 167 / 11,151 |
| 309. | 41.18°F | Homewood-Flossmoor Community High School District 233 / 38,929 |
| 310. | 41.17°F | West Lincoln-Broadwell Elementary School District 92 / 4,963 |
| 311. | 41.17°F | Country Club Hills School District 160 / 12,495 |
| 312. | 41.17°F | Homewood School District 153 / 16,461 |
| 313. | 41.17°F | Illini Central Community Unit School District 189 / 4,718 |
| 314. | 41.17°F | Chicago Heights School District 170 / 24,090 |
| 315. | 41.16°F | Tuscola Community Unit School District 301 / 5,759 |
| 316. | 41.15°F | Ford Heights School District 169 / 2,777 |
| 317. | 41.15°F | Prairie-Hills Elementary School District 144 / 22,837 |
| 318. | 41.15°F | Hazel Crest School District 152-5 / 8,175 |
| 319. | 41.15°F | Bremen Community High School District 228 / 94,083 |
| 320. | 41.14°F | Burnham School District 154-5 / 1,658 |
| 321. | 41.14°F | Midlothian School District 143 / 15,241 |
| 322. | 41.14°F | Posen-Robbins Elementary School District 143-5 / 12,155 |
| 323. | 41.14°F | Cook County School District 130 / 30,726 |
| 324. | 41.14°F | West Harvey-Dixmoor Public School District 147 / 9,990 |
| 325. | 41.13°F | Harvey School District 152 / 16,747 |
| 326. | 41.12°F | Dolton School District 149 / 27,206 |
| 327. | 41.11°F | Bushnell-Prairie City Community Unit School District 170 / 4,230 |
| 328. | 41.11°F | South Holland School District 150 / 10,183 |
| 329. | 41.10°F | Calumet City School District 155 / 11,610 |
| 330. | 41.10°F | Thornton School District 154 / 3,250 |
| 331. | 41.10°F | General George Patton School District 133 / 2,020 |
| 332. | 41.10°F | Dolton School District 148 / 22,436 |
| 333. | 41.09°F | Cambridge Community Unit School District 227 / 2,861 |
| 334. | 41.09°F | Thornton Township High School District 205 / 114,889 |
| 335. | 41.09°F | South Holland School District 151 / 13,930 |
| 336. | 41.09°F | Beecher Community Unit School District 200U / 6,985 |
| 337. | 41.08°F | Lansing School District 158 / 22,864 |
| 338. | 41.07°F | Lincoln Elementary School District 156 / 7,611 |
| 339. | 41.07°F | Lincoln Community High School District 404 / 23,979 |
| 340. | 41.06°F | Orion Community Unit School District 223 / 6,078 |
| 341. | 41.06°F | Spring Lake Community Consolidated School District 606 / 639 |
| 342. | 41.06°F | Community High School District 218 / 121,995 |
| 343. | 41.06°F | Fulton County Community Unit School District 3 / 3,605 |
| 344. | 41.05°F | Illini Bluffs Community Unit School District 327 / 6,133 |
| 345. | 41.04°F | Midwest Central Community Unit School District 191 / 6,175 |
| 346. | 41.03°F | Oakwood Community Unit School District 76 / 6,158 |
| 347. | 41.02°F | Villa Grove Community Unit School District 302 / 3,973 |
| 348. | 41.02°F | Delavan Community Unit School District 703 / 2,593 |
| 349. | 41.01°F | New Holland-Middletown Elementary School District 88 / 915 |
| 350. | 41.00°F | Elementary School District 159 / 19,971 |
| 351. | 40.99°F | Clinton Community Unit School District 15 / 12,177 |
| 352. | 40.99°F | Calumet Public School District 132 / 10,701 |
| 353. | 40.99°F | Havana Community Unit School District 126 / 6,545 |
| 354. | 40.98°F | Arbor Park School District 145 / 12,821 |
| 355. | 40.97°F | Forest Ridge School District 142 / 16,467 |
| 356. | 40.96°F | Community Consolidated School District 146 / 26,437 |
| 357. | 40.96°F | Hoover-Schrum Memorial School District 157 / 8,237 |
| 358. | 40.95°F | V.I.T. Community Unit School District 2 / 2,461 |
| 359. | 40.94°F | Summit Hill School District 161 / 23,646 |
| 360. | 40.94°F | Grant Park Community Unit School District 6 / 3,320 |
| 361. | 40.94°F | Astoria Community Unit School District 1 / 2,118 |
| 362. | 40.94°F | DeLand-Weldon Community Unit School District 57 / 1,517 |
| 363. | 40.91°F | Alwood Community Unit School District 225 / 2,643 |
| 364. | 40.91°F | Schuyler-Industry Community Unit School District 5 / 7,745 |
| 365. | 40.90°F | Galva Community Unit School District 224 / 3,413 |
| 366. | 40.90°F | Geneseo Community Unit School District 228 / 15,989 |
| 367. | 40.90°F | Thornton Fractional Township High School District 215 / 60,994 |
| 368. | 40.89°F | Lincoln Elementary School District 27 / 13,053 |
| 369. | 40.88°F | Blue Ridge Community Unit School District 18 / 5,126 |
| 370. | 40.87°F | Williamsfield Community Unit School District 210 / 1,910 |
| 371. | 40.87°F | ROWVA Community Unit School District 208 / 3,834 |
| 372. | 40.85°F | Sherrard Community Unit School District 200 / 9,755 |
| 373. | 40.85°F | Avon Community Unit School District 176 / 1,728 |
| 374. | 40.85°F | Galesburg Community Unit School District 205 / 34,850 |
| 375. | 40.84°F | Chester-East Lincoln Community Csd 61 / 5,048 |
| 376. | 40.84°F | Hartsburg-Emden Community Unit School District 21 / 1,063 |
| 377. | 40.83°F | Danville Community Consolidated School District 118 / 38,933 |
| 378. | 40.83°F | Morton Community Unit School District 709 / 18,942 |
| 379. | 40.81°F | Bismarck-Henning Consolidated Unit School District / 5,065 |
| 380. | 40.80°F | Moline Unit School District 40 / 48,280 |
| 381. | 40.79°F | Monticello Community Unit School District 25 / 8,965 |
| 382. | 40.79°F | Momence Community Unit School District 1 / 7,218 |
| 383. | 40.79°F | Heritage Community Unit School District 8 / 2,978 |
| 384. | 40.79°F | Bement Community Unit School District 5 / 2,521 |
| 385. | 40.79°F | Colona School District 190 / 3,660 |
| 386. | 40.78°F | East Moline School District 37 / 26,610 |
| 387. | 40.78°F | Rock Island School District 41 / 45,317 |
| 388. | 40.78°F | Deer Creek-Mackinaw Community Unit School District 701 / 5,807 |
| 389. | 40.77°F | South Pekin School District 137 / 1,830 |
| 390. | 40.77°F | United Township High School District 30 / 39,937 |
| 391. | 40.77°F | Rankin Community School District 98 / 3,228 |
| 392. | 40.77°F | Carbon Cliff-Barstow School District 36 / 1,812 |
| 393. | 40.76°F | Tremont Community Unit School District 702 / 5,070 |
| 394. | 40.76°F | Silvis School District 34 / 5,498 |
| 395. | 40.75°F | Pekin Community High School District 303 / 45,857 |
| 396. | 40.75°F | Pekin Public School District108 / 34,388 |
| 397. | 40.75°F | Hampton School District 29 / 2,357 |
| 398. | 40.75°F | Palos Community Consolidated School District 118 / 23,432 |
| 399. | 40.74°F | Hollis Consolidated School District 328 / 781 |
| 400. | 40.72°F | Rossville-Alvin Community Unit School District 7 / 2,546 |
| 401. | 40.70°F | Heyworth Community Unit School District 4 / 4,831 |
| 402. | 40.70°F | Tri-Valley Community Unit School District 3 / 4,882 |
| 403. | 40.68°F | Riverdale Community Unit School District 100 / 6,402 |
| 404. | 40.67°F | Oak Grove School District 68 / 3,692 |
| 405. | 40.66°F | North Pekin-Marquette Heights School District 102 / 4,954 |
| 406. | 40.64°F | Olympia Community Unit School District 16 / 11,585 |
| 407. | 40.62°F | Wethersfield Community Unit School District 230 / 3,974 |
| 408. | 40.61°F | Palos Heights School District 128 / 9,655 |
| 409. | 40.60°F | Canton Union School District 66 / 17,530 |
| 410. | 40.58°F | Lewistown Community Unit School District 97 / 4,892 |
| 411. | 40.58°F | Mahomet-Seymour Community Unit School District 3 / 14,271 |
| 412. | 40.57°F | Ridgeview Community Unit School District 19 / 3,350 |
| 413. | 40.57°F | Farmington Central Community Unit School District 265 / 7,945 |
| 414. | 40.55°F | Evergreen Park Community High School District 231 / 19,924 |
| 414. | 40.55°F | Evergreen Park Elementary School District 124 / 19,924 |
| 416. | 40.55°F | Le Roy Community Unit School District 2 / 4,619 |
| 417. | 40.53°F | Tolono Community Unit School District 7 / 9,537 |
| 418. | 40.53°F | Champaign Community Unit School District 4 / 95,918 |
| 419. | 40.52°F | Orland School District 135 / 56,257 |
| 420. | 40.52°F | Gibson City-Melvin-Sibley Community Unit School District 5 / 5,896 |
| 421. | 40.50°F | Limestone Walters Community Consolidated School District 316 / 2,067 |
| 422. | 40.50°F | Urbana School District 116 / 50,963 |
| 423. | 40.50°F | Consolidated High School District 230 / 157,389 |
| 424. | 40.49°F | Burbank School District 111 / 29,957 |
| 425. | 40.49°F | Kirby School District 140 / 35,585 |
| 426. | 40.49°F | Armstrong-Ellis Consolidated School District 61 / 956 |
| 427. | 40.49°F | Potomac Community Unit School District 10 / 1,179 |
| 428. | 40.48°F | Armstrong Township High School District 225 / 1,455 |
| 429. | 40.48°F | St. Joseph Community Consolidated School District 169 / 6,142 |
| 430. | 40.47°F | St. Joseph-Ogden Community High School District 305 / 8,276 |
| 431. | 40.46°F | Gifford Community Consolidated School District 188 / 1,795 |
| 432. | 40.46°F | Prairieview-Ogden Community Consolidated School District 197 / 2,416 |
| 433. | 40.46°F | Lexington Community Unit School District 7 / 3,063 |
| 434. | 40.45°F | Alsip-Hazelgreen-Oaklawn School District 126 / 17,417 |
| 435. | 40.45°F | Rantoul City School District 137 / 12,838 |
| 436. | 40.45°F | Peotone Community Unit School District 207U / 10,749 |
| 437. | 40.44°F | Rantoul Township High School District 193 / 17,660 |
| 438. | 40.44°F | Thomasboro Community Consolidated School District 130 / 2,115 |
| 439. | 40.44°F | Knoxville Community Unit School District 202 / 6,260 |
| 440. | 40.43°F | Rockridge Community Unit School District 300 / 7,224 |
| 441. | 40.43°F | Frankfort Community Consolidated School District 157C / 17,716 |
| 442. | 40.43°F | Fisher Community Unit School District 1 / 3,622 |
| 443. | 40.42°F | Oak Lawn-Hometown School District 123 / 35,152 |
| 444. | 40.42°F | Mokena School District 159 / 17,456 |
| 445. | 40.42°F | Lincoln Way Community High School District 210 / 105,219 |
| 446. | 40.42°F | Chicago Ridge School District 127-5 / 13,466 |
| 447. | 40.41°F | Paxton-Buckley-Loda Community Unit School District 10 / 8,485 |
| 448. | 40.41°F | Worth School District 127 / 11,338 |
| 449. | 40.41°F | Oak Lawn Community High School District 229 / 40,564 |
| 450. | 40.41°F | Prairie Central Community Unit School District 8 / 11,089 |
| 451. | 40.40°F | Ridgeland School District 122 / 21,499 |
| 452. | 40.38°F | Ludlow Community Consolidated School District 142 / 1,129 |
| 453. | 40.37°F | Atwood Heights School District 125 / 7,926 |
| 454. | 40.36°F | Bloomington School District 87 / 44,445 |
| 455. | 40.32°F | Brimfield Community Unit School District 309 / 3,862 |
| 456. | 40.31°F | Pontiac Community Consolidated School District 429 / 13,646 |
| 457. | 40.30°F | Kewanee Community Unit School District 229 / 10,897 |
| 458. | 40.30°F | Monroe School District 70 / 3,195 |
| 459. | 40.29°F | Spoon River Valley Community Unit School District 4 / 2,505 |
| 460. | 40.29°F | Annawan Community Unit School District 226 / 2,171 |
| 461. | 40.29°F | Norwood Elementary School District 63 / 3,616 |
| 462. | 40.28°F | Bartonville School District 66 / 2,549 |
| 463. | 40.28°F | Limestone Community High School District 310 / 22,599 |
| 464. | 40.28°F | Tri-Point Community Unit School District 6-J / 3,173 |
| 465. | 40.28°F | Creve Coeur School District 76 / 6,406 |
| 466. | 40.27°F | Pleasant Hill School District 69 / 1,831 |
| 467. | 40.27°F | St. George Community Consolidated School District 258 / 3,691 |
| 468. | 40.26°F | St. Anne Community High School District 302 / 5,161 |
| 468. | 40.26°F | Pleasant Valley School District 62 / 4,868 |
| 470. | 40.26°F | East Peoria Community High School District 309 / 26,544 |
| 471. | 40.26°F | Peoria School District 150 / 101,620 |
| 472. | 40.26°F | East Peoria School District 86 / 18,966 |
| 473. | 40.26°F | New Lenox School District 122 / 38,889 |
| 474. | 40.24°F | Eureka Community Unit District 140 / 9,835 |
| 475. | 40.24°F | Cissna Park Community Unit School District 6 / 1,807 |
| 476. | 40.23°F | McLean County Unit School District 5 / 97,056 |
| 477. | 40.22°F | Seneca Township High School District 160 / 7,356 |
| 478. | 40.20°F | Pontiac Township High School District 90 / 16,267 |
| 479. | 40.20°F | Odell Community Consolidated School District 435 / 1,308 |
| 480. | 40.20°F | Manteno Community Unit School District 5 / 12,114 |
| 481. | 40.19°F | Gardner Community Consolidated School District 72C / 1,663 |
| 482. | 40.19°F | Abingdon Community Unit School District 217 / 4,360 |
| 483. | 40.19°F | Dwight Township High School District 230 / 6,859 |
| 484. | 40.19°F | Dwight Common School District 232 / 6,628 |
| 485. | 40.19°F | Saunemin Community Consolidated School District 438 / 908 |
| 486. | 40.17°F | Mazon-Verona-Kinsman Elementary School District 2C / 2,799 |
| 487. | 40.16°F | Manhattan School District 114 / 9,143 |
| 488. | 40.16°F | Wilmington Community Unit School District 209U / 9,488 |
| 489. | 40.14°F | El Paso-Gridley Community Unit School District 11 / 7,195 |
| 490. | 40.13°F | Union School District 81 / 1,631 |
| 491. | 40.12°F | Iroquois West Community Unit School District 10 / 4,773 |
| 492. | 40.12°F | Mercer County School District 404 / 8,463 |
| 493. | 40.12°F | Erie Community Unit School District 1 / 3,347 |
| 494. | 40.11°F | Dunlap Community Unit School District 323 / 21,236 |
| 495. | 40.10°F | Allen Township Community Consolidated School District 65 / 820 |
| 496. | 40.09°F | Pembroke Consolidated Community School District 259 / 1,971 |
| 497. | 40.08°F | Elwood Community Consolidated School District 203 / 3,787 |
| 498. | 40.08°F | Laraway Community Consolidated School District 70C / 3,161 |
| 499. | 40.07°F | Flanagan-Cornell District 74 in Cornell / 869 |
| 499. | 40.07°F | Cornell Community Consolidated School District 426 / 869 |
| 501. | 40.06°F | Homer Community Consolidated School District 33C / 29,870 |
| 502. | 40.06°F | Flanagan-Cornell District 74 / 1,727 |
| 503. | 40.06°F | Flanagan-Cornell District 74 in Rooks Creek / 2 |
| 504. | 40.06°F | Bourbonnais School District 53 / 23,144 |
| 505. | 40.05°F | Milford Community Consolidated School District 280 / 3,975 |
| 505. | 40.05°F | Milford Township High School District 233 / 3,975 |
| 507. | 40.05°F | Bradley-Bourbonnais Consolidated High School District 307 / 39,974 |
| 508. | 40.05°F | Bradley School District 61 / 13,139 |
| 509. | 40.04°F | Flanagan-Cornell District 74 in Pontiac / 30 |
| 510. | 40.04°F | Elmwood Community Unit School District 322 / 3,872 |
| 511. | 40.04°F | Taft School District 90 / 3,740 |
| 512. | 40.04°F | Woodland Community Unit School District 5 / 2,753 |
| 513. | 40.04°F | Fieldcrest Community Unit School District 6 / 6,842 |
| 514. | 40.03°F | Kankakee School District 111 / 32,510 |
| 515. | 40.02°F | Hoopeston Area Community Unit School District 11 / 7,178 |
| 516. | 40.02°F | Lockport Township High School District 205 / 76,156 |
| 517. | 40.01°F | Lockport School District 91 / 6,640 |
| 518. | 40.01°F | Channahon School District 17 / 10,273 |
| 519. | 40.01°F | Gardner-South Wilmington Township High School District / 4,037 |
| 520. | 40.00°F | Fairmont School District 89 / 3,876 |
| 520. | 40.00°F | Joliet Public School District 86 / 83,967 |
| 522. | 40.00°F | Central Community Unit School District 4 / 6,653 |
| 523. | 40.00°F | Reed Custer Community Unit School District 255U / 9,343 |
| 524. | 39.99°F | Nettle Creek Community Consolidated School District 24C / 851 |
| 525. | 39.99°F | Chaney-Monge School District 88 / 7,237 |
| 526. | 39.98°F | Joliet Township High School District 204 / 128,441 |
| 527. | 39.98°F | Morris School District 54 / 11,448 |
| 528. | 39.98°F | Rooks Creek Community Consolidated School District 425 / 625 |
| 529. | 39.97°F | Coal City Community Unit School District 1 / 11,131 |
| 530. | 39.97°F | Will County School District 92 / 14,725 |
| 531. | 39.97°F | Morris Community High School District 101 / 18,171 |
| 532. | 39.97°F | Rockdale School District 84 / 2,240 |
| 533. | 39.97°F | Richland School District 88A / 9,948 |
| 534. | 39.96°F | Riverview Consolidated Community School District 2 / 2,986 |
| 535. | 39.96°F | Braceville School District 75 / 1,399 |
| 536. | 39.96°F | Crescent Iroquois Community Unit School District 249 / 1,208 |
| 537. | 39.95°F | Plainfield School District 202 / 122,136 |
| 538. | 39.94°F | St. Anne Consolidated Community School District 256 / 3,190 |
| 539. | 39.94°F | Herscher Community Unit School District 2 / 10,651 |
| 540. | 39.92°F | Troy Community Consolidated School District 30C / 36,092 |
| 541. | 39.92°F | South Wilmington Consolidated School District 74 / 975 |
| 542. | 39.92°F | Minooka Community Consolidated School District 201 / 24,332 |
| 543. | 39.91°F | Lisbon Community Consolidated School District 90 / 925 |
| 544. | 39.91°F | Princeville Community Unit School District 326 / 4,206 |
| 545. | 39.91°F | Streator Elementary School District 44 / 16,545 |
| 546. | 39.91°F | Minooka Community High School District 111 / 38,611 |
| 547. | 39.90°F | Seneca Community Consolidated School District 170 / 3,778 |
| 548. | 39.90°F | Stark County Community Unit School District 100 / 4,688 |
| 549. | 39.90°F | Newark Community High School District 18 / 3,879 |
| 550. | 39.89°F | Saratoga Community Consolidated School District 60C / 6,049 |
| 551. | 39.81°F | Washington School District 52 / 8,357 |
| 552. | 39.80°F | Washington Community High School District 308 / 23,857 |
| 553. | 39.80°F | Central School District 51 / 8,004 |
| 554. | 39.80°F | District 50 Schools / 7,496 |
| 555. | 39.80°F | Robein School District 85 / 1,990 |
| 556. | 39.79°F | Peoria Heights Community Unit School District 325 / 6,914 |
| 557. | 39.78°F | Donovan Community Unit School District 3 / 2,005 |
| 558. | 39.77°F | Iroquois County Community Unit School District 9 / 7,118 |
| 559. | 39.77°F | Putnam County Community Unit School District 535 / 5,514 |
| 560. | 39.67°F | Reavis Township High School District 220 / 33,438 |
| 561. | 39.66°F | Roanoke-Benson Community Unit School District 60 / 3,332 |
| 562. | 39.65°F | Midland Community Unit School District 7 / 5,510 |
| 563. | 39.64°F | Metamora Community Consolidated School District 1 / 7,045 |
| 564. | 39.63°F | Central Stickney School District 110 / 3,481 |
| 565. | 39.63°F | Metamora Township High School District 122 / 16,360 |
| 566. | 39.63°F | Germantown Hills School District 69 / 6,329 |
| 567. | 39.62°F | Summit School District 104 / 12,603 |
| 568. | 39.62°F | Henry-Senachwine Consolidated Unit School District 5 / 3,383 |
| 569. | 39.56°F | North Palos School District 117 / 28,444 |
| 570. | 39.54°F | Lowpoint-Washburn Community Unit School District 21 / 2,511 |
| 571. | 39.53°F | Indian Springs School District 109 / 24,678 |
| 572. | 39.53°F | Willow Springs School District 108 / 3,450 |
| 573. | 39.52°F | Neponset Community Consolidated District 307 / 820 |
| 574. | 39.51°F | Illinois Valley Central Unit School District 321 / 13,507 |
| 575. | 39.50°F | Pleasantdale School District 107 / 8,287 |
| 576. | 39.50°F | Prophetstown-Lyndon-Tampico Community Unit School District 3 / 5,585 |
| 577. | 39.45°F | Newark Community Consolidated School District 66 / 2,809 |
| 578. | 39.44°F | Bradford Community Unit School District 1 / 1,654 |
| 579. | 39.36°F | Argo Community High School District 217 / 40,495 |
| 580. | 39.34°F | Tonica Community Consolidated School District 79 / 1,393 |
| 581. | 39.34°F | LaGrange School District 105 / 12,573 |
| 582. | 39.34°F | Lyons School District 103 / 22,581 |
| 583. | 39.33°F | Chicago Public School District 299 / 2,712,608 |
| 584. | 39.33°F | LaGrange Highlands School District 106 / 9,718 |
| 585. | 39.33°F | Lostant Community Unit School District 425 / 748 |
| 586. | 39.33°F | Lyons Township High School District 204 / 69,702 |
| 587. | 39.32°F | LaGrange School District 102 / 25,438 |
| 588. | 39.31°F | Western Springs School District 101 / 10,072 |
| 589. | 39.29°F | Lemont-Bromberek Combined School District 113A / 25,222 |
| 590. | 39.28°F | Marseilles Elementary School District 150 / 4,120 |
| 591. | 39.27°F | Bureau Valley Community Unit School District 340 / 7,195 |
| 592. | 39.26°F | Streator Township High School District 40 / 18,378 |
| 593. | 39.23°F | Grand Ridge Community Consolidated School District 95 / 2,792 |
| 594. | 39.17°F | Lemont Township High School District 210 / 25,611 |
| 595. | 39.15°F | Community Consolidated School District 180 / 6,926 |
| 596. | 39.14°F | Cass School District 63 / 8,304 |
| 597. | 39.13°F | Center Cass School District 66 / 11,561 |
| 598. | 39.13°F | Gower School District 62 / 9,602 |
| 599. | 39.12°F | Darien School District 61 / 16,179 |
| 600. | 39.12°F | Cicero School District 99 / 84,481 |
| 601. | 39.11°F | J. Sterling Morton High School District 201 / 159,527 |
| 602. | 39.11°F | Berwyn South School District 100 / 30,676 |
| 603. | 39.10°F | Woodridge School District 68 / 33,075 |
| 604. | 39.10°F | Riverside School District 96 / 13,991 |
| 605. | 39.10°F | Community High School District 99 / 110,458 |
| 606. | 39.09°F | Riverside Brookfield Township School District 208 / 29,204 |
| 607. | 39.09°F | Brookfield School District 95 / 10,872 |
| 608. | 39.08°F | Komarek School District 94 / 4,969 |
| 609. | 39.06°F | Yorkville Community Unit School District 115 / 30,038 |
| 610. | 39.05°F | Winthrop Harbor School District 1 / 6,682 |
| 611. | 39.03°F | Zion Elementary School District 6 / 17,432 |
| 612. | 39.01°F | Zion-Benton Township High School District 126 / 44,560 |
| 613. | 38.98°F | Hinsdale Township High School District 86 / 75,716 |
| 614. | 38.98°F | Depue Community Unit School District 103 / 1,865 |
| 615. | 38.98°F | Maercker School District 60 / 18,009 |
| 616. | 38.97°F | Spring Valley Community Consolidated School District 99 / 6,000 |
| 617. | 38.96°F | Hall High School District 502 / 9,128 |
| 618. | 38.95°F | Plano Community Unit School District 88 / 11,378 |
| 619. | 38.95°F | Miller Township Community Consolidated School District / 2,327 |
| 620. | 38.95°F | Valley View Community Unit School District 365U / 92,995 |
| 621. | 38.93°F | Oswego Community Unit School District 308 / 77,693 |
| 622. | 38.93°F | Kenilworth School District 38 / 3,006 |
| 623. | 38.93°F | Wilmette School District 39 / 26,102 |
| 624. | 38.93°F | Winnetka School District 36 / 12,008 |
| 625. | 38.93°F | Glencoe School District 35 / 8,696 |
| 626. | 38.93°F | New Trier Township High School District 203 / 60,357 |
| 627. | 38.92°F | Ottawa Township High School District 140 / 31,237 |
| 628. | 38.88°F | Beach Park Community Consolidated School District 3 / 20,446 |
| 629. | 38.87°F | Oglesby Elementary School District 125 / 4,771 |
| 630. | 38.87°F | Leepertown Community Consolidated School District 175 / 398 |
| 631. | 38.87°F | Evanston Community Consolidated School District 65 / 83,353 |
| 631. | 38.87°F | Evanston Township High School District 202 / 83,353 |
| 633. | 38.86°F | Rutland Community Consolidated School District 230 / 785 |
| 634. | 38.85°F | Sandwich Community Unit School District 430 / 13,364 |
| 635. | 38.83°F | Peru Elementary School District 124 / 10,353 |
| 636. | 38.83°F | LaSalle-Peru Township High School District 120 / 28,956 |
| 637. | 38.81°F | Princeton High School District 500 / 12,376 |
| 638. | 38.81°F | Princeton Elementary School District 115 / 11,523 |
| 639. | 38.81°F | Somonauk Community Unit School District 432 / 5,089 |
| 640. | 38.80°F | Hinsdale Community Consolidated School District 181 / 26,135 |
| 641. | 38.79°F | Berwyn North School District 98 / 26,086 |
| 642. | 38.79°F | Oak Park Elementary School District 97 / 51,988 |
| 643. | 38.79°F | Oak Park and River Forest District 200 / 63,199 |
| 644. | 38.79°F | Westmont Community Unit School District 201 / 12,454 |
| 645. | 38.79°F | Forest Park School District 91 / 14,010 |
| 646. | 38.78°F | Community Unit School District 2 / 6,076 |
| 647. | 38.78°F | River Forest School District 90 / 11,211 |
| 648. | 38.77°F | Ottawa Elementary School District 141 / 19,628 |
| 649. | 38.77°F | Lindop School District 92 / 4,011 |
| 650. | 38.77°F | Maywood-Melrose Park-Broadview School District 89 / 44,483 |
| 651. | 38.77°F | Proviso Township High School District 209 / 126,972 |
| 652. | 38.76°F | Westchester School District 92-5 / 16,049 |
| 653. | 38.76°F | Bellwood School District 88 / 23,074 |
| 654. | 38.75°F | Berkeley School District 87 / 22,520 |
| 655. | 38.72°F | Wallace Community Consolidated School District 195 / 2,713 |
| 656. | 38.72°F | North Shore School District 112 / 35,827 |
| 657. | 38.68°F | Montmorency Community Consolidated School District 145 / 2,745 |
| 658. | 38.67°F | Waukegan Community Unit School District 60 / 83,647 |
| 659. | 38.67°F | Ladd Community Consolidated School District 94 / 1,817 |
| 660. | 38.66°F | Skokie School District 68 / 20,236 |
| 661. | 38.66°F | Skokie School District 73-5 / 9,719 |
| 662. | 38.66°F | Glenview Community Consolidated School District 34 / 41,222 |
| 663. | 38.66°F | East Prairie School District 73 / 4,698 |
| 664. | 38.66°F | Dalzell School District 98 / 740 |
| 665. | 38.66°F | Niles Township Community High School District 219 / 96,278 |
| 666. | 38.66°F | Skokie School District 69 / 18,561 |
| 667. | 38.66°F | Morton Grove School District 70 / 9,241 |
| 668. | 38.66°F | Lincolnwood School District 74 / 12,653 |
| 668. | 38.66°F | Golf Elementary School District 67 / 6,857 |
| 670. | 38.66°F | Skokie-Fairview School District 72 / 6,315 |
| 671. | 38.66°F | Northbrook School District 28 / 14,644 |
| 672. | 38.65°F | East Maine School District 63 / 46,677 |
| 673. | 38.65°F | Niles Elementary School District 71 / 7,998 |
| 674. | 38.65°F | Sunset Ridge School District 29 / 4,110 |
| 675. | 38.65°F | Avoca School District 37 / 6,435 |
| 676. | 38.65°F | Union Ridge School District 86 / 6,529 |
| 677. | 38.65°F | Park Ridge Consolidated Community School District 64 / 40,764 |
| 678. | 38.64°F | Maine Township High School District 207 / 146,026 |
| 679. | 38.64°F | Ridgewood Community High School District 234 / 19,122 |
| 680. | 38.64°F | Pennoyer School District 79 / 5,894 |
| 681. | 38.64°F | Norridge School District 80 / 12,089 |
| 682. | 38.64°F | Elmwood Park Community Unit School District 401 / 24,960 |
| 683. | 38.64°F | River Grove School District 85-5 / 7,881 |
| 684. | 38.64°F | Rosemont Elementary School District 78 / 2,309 |
| 685. | 38.64°F | Rhodes School District 84-5 / 4,870 |
| 686. | 38.64°F | Schiller Park School District 81 / 13,509 |
| 687. | 38.64°F | Franklin Park School District 84 / 11,086 |
| 688. | 38.64°F | Leyden Community High School District 212 / 64,439 |
| 689. | 38.63°F | Des Plaines Community Consolidated School District 62 / 51,990 |
| 690. | 38.62°F | Mannheim School District 83 / 21,174 |
| 691. | 38.61°F | Deer Park Community Consolidated School District 82 / 718 |
| 692. | 38.57°F | Indian Prairie Community Unit School District 204 / 128,486 |
| 693. | 38.56°F | Aurora East Unit School District 131 / 84,673 |
| 694. | 38.55°F | Naperville Community Unit District 203 / 96,394 |
| 695. | 38.55°F | Aurora West Unit School District 129 / 75,509 |
| 696. | 38.55°F | Butler School District 53 / 4,839 |
| 697. | 38.54°F | LaSalle Elementary School District 122 / 8,895 |
| 698. | 38.53°F | Downers Grove Grade School District 58 / 51,933 |
| 699. | 38.53°F | Lisle Community Unit School District 202 / 13,791 |
| 700. | 38.53°F | Gurnee School District 56 / 18,744 |
| 701. | 38.52°F | Warren Township High School District 121 / 68,666 |
| 702. | 38.51°F | Hillside School District 93 / 5,124 |
| 703. | 38.50°F | Fox River Grove Consolidated School District 3 / 4,266 |
| 704. | 38.50°F | Lake Bluff Elementary School District 65 / 8,103 |
| 705. | 38.48°F | North Chicago School District 187 / 29,043 |
| 706. | 38.46°F | Deerfield School District 109 / 20,592 |
| 707. | 38.46°F | Northbrook/Glenview School District 30 / 10,256 |
| 708. | 38.45°F | Northfield Township High School District 225 / 86,734 |
| 709. | 38.45°F | Mundelein Consolidated High School District 120 / 44,244 |
| 710. | 38.45°F | Fremont School District 79 / 20,516 |
| 711. | 38.45°F | Northbrook Elementary School District 27 / 10,714 |
| 712. | 38.45°F | West Northfield School District 31 / 9,898 |
| 713. | 38.44°F | River Trails School District 26 / 15,589 |
| 714. | 38.44°F | Mundelein Elementary School District 75 / 14,958 |
| 715. | 38.43°F | Diamond Lake School District 76 / 8,664 |
| 716. | 38.43°F | McHenry Community High School District 156 / 45,604 |
| 717. | 38.42°F | McHenry Community Consolidated School District 15 / 42,581 |
| 718. | 38.42°F | Hawthorn Community Consolidated School District 73 / 30,575 |
| 719. | 38.41°F | Cherry School District 92 / 564 |
| 720. | 38.41°F | Rock Falls Township High School District 301 / 14,656 |
| 721. | 38.41°F | Rock Falls Elementary School District 13 / 8,878 |
| 722. | 38.41°F | Libertyville Community High School District 128 / 50,244 |
| 723. | 38.41°F | Sterling Community Unit District 5 / 21,850 |
| 724. | 38.41°F | Libertyville School District 70 / 18,534 |
| 725. | 38.41°F | DuPage High School District 88 / 83,355 |
| 726. | 38.40°F | Rondout School District 72 / 1,450 |
| 727. | 38.40°F | East Coloma School District 12 / 2,582 |
| 728. | 38.39°F | Dimmick Community Consolidated School District 175 / 1,173 |
| 728. | 38.39°F | Lombard School District 44 / 35,594 |
| 730. | 38.39°F | Oak Grove School District 68 / 7,189 |
| 731. | 38.39°F | Glen Ellyn School District 41 / 29,772 |
| 732. | 38.36°F | Leland Community Unit School District 1 / 1,738 |
| 733. | 38.35°F | Woodland Community Consolidated School District 50 / 50,954 |
| 734. | 38.34°F | Prospect Heights School District 23 / 18,121 |
| 735. | 38.33°F | Wheeling Community Consolidated School District 21 / 66,232 |
| 736. | 38.33°F | Kildeer Countryside Community Consolidated School District 96 / 23,374 |
| 737. | 38.33°F | Adlai E. Stevenson High School District 125 / 61,391 |
| 738. | 38.33°F | Aptakisic-Tripp Community Consolidated School District / 19,061 |
| 739. | 38.33°F | Township High School District 113 / 58,572 |
| 740. | 38.33°F | Lincolnshire-Prairieview School District 103 / 13,006 |
| 741. | 38.32°F | Bannockburn School District 106 / 2,177 |
| 742. | 38.32°F | Lake Forest School District 67 / 18,592 |
| 743. | 38.32°F | Lake Forest Community High School District 115 / 27,017 |
| 744. | 38.31°F | Waltham Community Consolidated School District 185 / 2,429 |
| 745. | 38.29°F | Glen Ellyn Community Consolidated School District 89 / 21,874 |
| 746. | 38.29°F | Community Unit School District 200 / 78,843 |
| 747. | 38.29°F | Batavia Unit School District 101 / 31,774 |
| 748. | 38.28°F | Winfield School District 34 / 4,426 |
| 749. | 38.28°F | Kaneland Community Unit School District 302 / 25,778 |
| 750. | 38.28°F | Big Hollow School District 38 / 15,095 |
| 751. | 38.27°F | Cary Community Consolidated School District 26 / 22,111 |
| 752. | 38.26°F | Queen Bee School District 16 / 17,773 |
| 753. | 38.26°F | Benjamin School District 25 / 6,555 |
| 754. | 38.26°F | Mendota Township High School District 280 / 11,061 |
| 754. | 38.26°F | Mendota Community Consolidated School District 289 / 11,018 |
| 756. | 38.26°F | Community High School District 94 / 41,834 |
| 757. | 38.26°F | West Chicago School District 33 / 30,853 |
| 758. | 38.26°F | Malden Community Consolidated School District 84 / 869 |
| 759. | 38.25°F | Township High School District 211 / 236,447 |
| 760. | 38.25°F | Geneva Community Unit School District 304 / 29,781 |
| 761. | 38.24°F | Elmhurst School District 205 / 47,454 |
| 762. | 38.24°F | Salt Creek School District 48 / 8,237 |
| 763. | 38.24°F | Villa Park School District 45 / 36,938 |
| 764. | 38.23°F | Schaumburg Community Consolidated School District 54 / 133,914 |
| 765. | 38.23°F | Arlington Heights School District 25 / 51,105 |
| 766. | 38.23°F | Palatine Community Consolidated School District 15 / 119,447 |
| 767. | 38.23°F | Township High School District 214 / 253,649 |
| 768. | 38.22°F | Mount Prospect School District 57 / 20,638 |
| 769. | 38.22°F | DeKalb Community Unit School District 428 / 52,506 |
| 770. | 38.22°F | Community Consolidated School District 59 / 66,255 |
| 771. | 38.21°F | Wood Dale School District 7 / 10,312 |
| 772. | 38.21°F | Itasca School District 10 / 9,040 |
| 773. | 38.21°F | Fenton Community High School District 100 / 30,212 |
| 774. | 38.21°F | Medinah School District 11 / 7,119 |
| 775. | 38.21°F | Bensenville School District 2 / 19,900 |
| 776. | 38.21°F | La Moille Community Unit School District 303 / 1,794 |
| 777. | 38.21°F | Nelson Public School District 8 / 358 |
| 778. | 38.21°F | Lake Park Community High School District 108 / 50,869 |
| 779. | 38.21°F | Addison School District 4 / 38,180 |
| 780. | 38.21°F | Earlville Community Unit School District 9 / 2,717 |
| 781. | 38.21°F | Roselle School District 12 / 6,654 |
| 782. | 38.21°F | Bloomingdale School District 13 / 13,521 |
| 783. | 38.21°F | Marquardt School District 15 / 26,458 |
| 784. | 38.20°F | Keeneyville School District 20 / 14,535 |
| 785. | 38.20°F | Glenbard Township High School District 87 / 166,784 |
| 786. | 38.20°F | Community Consolidated School District 93 / 35,313 |
| 787. | 38.20°F | School District U-46 / 233,909 |
| 788. | 38.19°F | Wauconda Community Unit School District 118 / 27,619 |
| 789. | 38.19°F | Ohio Community Consolidated School District 17 / 736 |
| 789. | 38.19°F | Ohio Community High School District 505 / 745 |
| 791. | 38.19°F | Barrington Community Unit School District 220 / 45,392 |
| 792. | 38.18°F | St. Charles Community Unit School District 303 / 68,412 |
| 793. | 38.15°F | Lake Zurich Community Unit School District 95 / 31,709 |
| 794. | 38.15°F | Grayslake Consolidated Community School District 46 / 29,536 |
| 795. | 38.14°F | Indian Creek Community Unit District 425 / 4,384 |
| 796. | 38.14°F | Grayslake Community High School District 127 / 44,701 |
| 797. | 38.12°F | Prairie Grove Community School District 46 / 7,259 |
| 798. | 38.12°F | Round Lake Community Unit School District 116 / 36,177 |
| 799. | 38.10°F | Lee Center Community Unit School District 271 / 1,617 |
| 800. | 38.08°F | Antioch Community High School District 117 / 44,953 |
| 801. | 38.08°F | Lake Villa Community Consolidated School District 41 / 24,136 |
| 802. | 38.07°F | Riverdale School District 14 / 1,101 |
| 803. | 38.07°F | Millburn Community Consolidated School District 24 / 8,008 |
| 804. | 38.06°F | Community High School District 155 / 96,008 |
| 805. | 38.05°F | Hinckley-Big Rock Community Unit School District 429 / 4,715 |
| 806. | 38.04°F | Crystal Lake Community Consolidated School District 47 / 62,372 |
| 807. | 38.03°F | Creston Community Consolidated School District 161 / 1,110 |
| 808. | 38.03°F | Amboy Community Unit School District 272 / 5,036 |
| 809. | 38.01°F | Grant Community High School District 124 / 36,397 |
| 810. | 37.99°F | Genoa-Kingston Community Unit School District 424 / 9,139 |
| 811. | 37.99°F | Sycamore Community Unit School District 427 / 22,208 |
| 812. | 37.98°F | Central Community Unit School District 301 / 19,083 |
| 813. | 37.97°F | Gavin School District 37 / 7,729 |
| 814. | 37.97°F | Meridian Community Unit School District 223 / 8,741 |
| 815. | 37.95°F | Johnsburg Community Unit School District 12 / 12,447 |
| 816. | 37.94°F | Ashton Community Unit School District 275 / 3,787 |
| 817. | 37.94°F | Dixon Unit School District 170 / 22,133 |
| 818. | 37.93°F | River Bend Community Unit District 2 / 6,722 |
| 819. | 37.92°F | Steward Elementary School District 220 / 717 |
| 820. | 37.87°F | Huntley Consolidated School District 158 / 43,647 |
| 821. | 37.86°F | Community Unit School District 300 / 111,782 |
| 822. | 37.84°F | Eswood Community Consolidated District 269 / 743 |
| 823. | 37.83°F | Antioch Community Consolidated School District 34 / 23,761 |
| 824. | 37.82°F | Rochelle Township High School District 212 / 16,991 |
| 825. | 37.82°F | Emmons School District 33 / 3,616 |
| 826. | 37.82°F | Rochelle Community Consolidated District 231 / 13,472 |
| 827. | 37.81°F | Hiawatha Community Unit School District 426 / 3,168 |
| 828. | 37.80°F | Grass Lake School District 36 / 2,565 |
| 829. | 37.80°F | Fox Lake Grade School District 114 / 8,628 |
| 830. | 37.79°F | East Dubuque Community Unit School District 119 / 4,393 |
| 831. | 37.75°F | Rockford School District 205 / 191,430 |
| 832. | 37.67°F | Riley Community Consolidated School District 18 / 3,641 |
| 833. | 37.65°F | Morrison Community Unit School District 6 / 6,664 |
| 834. | 37.61°F | Prairie Hill Community Consolidated School District 133 / 5,451 |
| 835. | 37.60°F | Byron Community Unit School District 226 / 7,955 |
| 836. | 37.59°F | Harlem Unit School District 122 / 44,262 |
| 837. | 37.59°F | Belvidere Consolidated Unit School District 100 / 45,001 |
| 838. | 37.58°F | Kings Consolidated School District 144 / 949 |
| 839. | 37.56°F | Marengo Community High School District 154 / 13,691 |
| 840. | 37.56°F | Marengo-Union Elementary Consolidated District 165 / 10,050 |
| 841. | 37.38°F | Kinnikinnick Community Consolidated School District 131 / 13,664 |
| 842. | 37.37°F | Oregon Community Unit School District 220 / 10,684 |
| 843. | 37.35°F | Hononegah Community High School District 207 / 32,556 |
| 844. | 37.34°F | Polo Community Unit School District 222 / 3,918 |
| 845. | 37.33°F | Harrison School District 36 / 3,818 |
| 846. | 37.32°F | Rockton School District 140 / 11,945 |
| 847. | 37.31°F | River Ridge Community Unit School District 210 / 3,566 |
| 848. | 37.26°F | Harvard Community Unit School District 50 / 13,486 |
| 849. | 37.25°F | Woodstock Community Unit School District 200 / 37,706 |
| 850. | 37.24°F | West Carroll Community Unit School District 314 / 8,557 |
| 851. | 37.22°F | Winnebago Community Unit School District 323 / 8,216 |
| 852. | 37.20°F | Nippersink School District 2 / 11,648 |
| 852. | 37.20°F | Richmond-Burton Community High School District 157 / 11,648 |
| 854. | 37.14°F | North Boone Community Unit School District 200 / 8,564 |
| 855. | 37.11°F | South Beloit Community Unit School District 320 / 6,688 |
| 856. | 37.07°F | Galena Unit School District 120 / 5,928 |
| 857. | 37.07°F | Forrestville Valley Community Unit School District 221 / 5,366 |
| 858. | 37.05°F | Pecatonica Community Unit School District 321 / 5,092 |
| 859. | 37.05°F | Shirland Community Consolidated School District 134 / 1,496 |
| 860. | 37.02°F | Durand Community Unit School District 322 / 3,672 |
| 861. | 36.98°F | Scales Mound Community Unit School District 211 / 1,624 |
| 862. | 36.98°F | Chadwick-Milledgeville Community Unit School District 399 / 2,956 |
| 863. | 36.98°F | Alden-Hebron School District 19 / 2,572 |
| 864. | 36.86°F | Eastland Community Unit School District 308 / 4,291 |
| 865. | 36.83°F | Freeport School District 145 / 30,082 |
| 866. | 36.76°F | Stockton Community Unit School District 206 / 3,877 |
| 867. | 36.63°F | Dakota Community Unit School District 201 / 4,909 |
| 868. | 36.52°F | Warren Community Unit School District 205 / 2,969 |
| 869. | 36.51°F | Pearl City Community Unit School District 200 / 2,907 |
| 870. | 36.42°F | Orangeville Community Unit School District 203 / 2,851 |
| 871. | 36.11°F | Lena-Winslow Community Unit School District 202 / 4,906 |
Please note that we only rank locations with 'Average Min. Temperature' data. The rank above might not be a complete list. Locations without 'Average Min. Temperature' data are not listed.
