| Rank | Average Min. Temperature ▼ | School District / Population |
| 1. | 42.16°F | Keokuk Community School District / 12,931 |
| 2. | 41.95°F | Fort Madison Community School District / 17,216 |
| 3. | 41.94°F | Central Lee Community School District / 5,129 |
| 4. | 41.75°F | Burlington Community School District / 30,070 |
| 5. | 41.74°F | West Burlington Independent School District / 2,839 |
| 6. | 41.43°F | Danville Community School District / 2,743 |
| 7. | 41.36°F | Harmony Community School District / 2,823 |
| 8. | 41.17°F | Mediapolis Community School District / 4,736 |
| 9. | 41.15°F | New London Community School District / 2,987 |
| 10. | 41.11°F | Morning Sun Community School District / 1,362 |
| 11. | 41.10°F | Winfield-Mount Union Community School District / 1,651 |
| 12. | 41.09°F | Mount Pleasant Community School District / 12,907 |
| 13. | 40.87°F | Louisa-Muscatine Community School District / 4,762 |
| 14. | 40.85°F | Wapello Community School District / 3,582 |
| 15. | 40.84°F | Van Buren Community School District / 5,065 |
| 16. | 40.77°F | Bettendorf Community School District / 23,151 |
| 17. | 40.75°F | Pleasant Valley Community School District / 20,099 |
| 18. | 40.51°F | Davis County Community School District / 8,677 |
| 19. | 40.45°F | Muscatine Community School District / 29,190 |
| 20. | 40.45°F | Moulton-Udell Community School District / 1,375 |
| 21. | 40.44°F | Lewis Central Community School District / 15,278 |
| 22. | 40.41°F | Fremont-Mills Community School District / 2,550 |
| 23. | 40.29°F | Columbus Community School District / 4,667 |
| 24. | 40.29°F | Glenwood Community School District / 11,075 |
| 25. | 40.28°F | Hamburg Community School District / 1,478 |
| 26. | 40.26°F | Council Bluffs Community School District / 59,876 |
| 27. | 40.20°F | Waco Community School District / 3,209 |
| 28. | 40.13°F | Davenport Community School District / 108,996 |
| 29. | 40.08°F | Washington Community School District / 10,221 |
| 30. | 40.07°F | South Page Community School District / 1,510 |
| 31. | 40.07°F | West Liberty Community School District / 6,333 |
| 32. | 40.06°F | Fairfield Community School District / 15,659 |
| 33. | 40.06°F | Sidney Community School District / 1,811 |
| 34. | 40.01°F | Farragut Community School District / 1,483 |
| 35. | 40.00°F | Malvern Community School District / 3,384 |
| 36. | 39.93°F | Underwood Community School District / 4,036 |
| 37. | 39.91°F | Treynor Community School District / 3,013 |
| 38. | 39.83°F | Cardinal Community School District / 4,014 |
| 39. | 39.82°F | Moravia Community School District / 2,300 |
| 40. | 39.80°F | Highland Community School District / 4,128 |
| 41. | 39.75°F | Shenandoah Community School District / 6,133 |
| 42. | 39.73°F | Lone Tree Community School District / 2,278 |
| 43. | 39.69°F | Eddyville-Blakesburg Community School District / 5,108 |
| 44. | 39.68°F | New Market Community School District / 957 |
| 45. | 39.68°F | Twin Cedars Community School District / 2,548 |
| 46. | 39.67°F | Ottumwa Community School District / 28,949 |
| 47. | 39.67°F | Durant Community School District / 3,345 |
| 48. | 39.67°F | Lamoni Community School District / 3,133 |
| 49. | 39.65°F | Missouri Valley Community School District / 5,140 |
| 50. | 39.60°F | Clearfield Community School District / 688 |
| 51. | 39.59°F | Essex Community School District / 1,445 |
| 52. | 39.58°F | Centerville Community School District / 8,881 |
| 53. | 39.58°F | Mount Ayr Community School District / 4,141 |
| 54. | 39.56°F | Carlisle Community School District / 8,924 |
| 55. | 39.55°F | Knoxville Community School District / 11,702 |
| 56. | 39.53°F | Oskaloosa Community School District / 15,978 |
| 57. | 39.49°F | Bedford Community School District / 3,075 |
| 58. | 39.49°F | PCM Community School District / 5,314 |
| 59. | 39.46°F | Tri-Center Community School District / 3,553 |
| 60. | 39.46°F | Wilton Community School District / 4,251 |
| 61. | 39.44°F | Pleasantville Community School District / 3,661 |
| 62. | 39.44°F | Mid-Prairie Community School District / 9,096 |
| 63. | 39.43°F | Southeast Warren Community School District / 3,145 |
| 64. | 39.39°F | Clarinda Community School District / 7,277 |
| 65. | 39.39°F | Melcher-Dallas Community School District / 1,674 |
| 66. | 39.38°F | Diagonal Community School District / 662 |
| 67. | 39.37°F | West Branch Community School District / 4,319 |
| 68. | 39.34°F | Lineville-Clio Community School District / 533 |
| 69. | 39.32°F | Albia Community School District / 7,435 |
| 70. | 39.25°F | Central Decatur Community School District / 4,215 |
| 71. | 39.24°F | North Scott Community School District / 15,673 |
| 72. | 39.24°F | Chariton Community School District / 8,330 |
| 73. | 39.23°F | Lenox Community School District / 2,032 |
| 74. | 39.20°F | North Mahaska Community School District / 2,811 |
| 75. | 39.17°F | Russell Community School District / 1,065 |
| 76. | 39.16°F | Pekin Community School District / 3,690 |
| 77. | 39.16°F | Clarke Community School District / 8,023 |
| 78. | 39.14°F | Logan-Magnolia Community School District / 2,902 |
| 79. | 39.12°F | Pella Community School District / 15,556 |
| 80. | 39.11°F | Fremont Community School District / 1,135 |
| 81. | 39.05°F | Interstate 35 Community School District / 4,979 |
| 82. | 39.05°F | Indianola Community School District / 20,037 |
| 83. | 38.97°F | Villisca Community School District / 2,189 |
| 84. | 38.96°F | Nishna Valley Community School District / 1,334 |
| 85. | 38.94°F | Sigourney Community School District / 3,751 |
| 86. | 38.88°F | Newton Community School District / 21,242 |
| 87. | 38.88°F | Red Oak Community School District / 6,975 |
| 88. | 38.86°F | Stanton Community School District / 1,214 |
| 89. | 38.83°F | Tri-County Community School District / 1,682 |
| 90. | 38.81°F | Martensdale-St. Marys Community School District / 3,019 |
| 91. | 38.81°F | Norwalk Community School District / 11,717 |
| 92. | 38.80°F | Seymour Community School District / 2,410 |
| 93. | 38.79°F | Wayne Community School District / 3,819 |
| 94. | 38.79°F | Des Moines Independent Community School District / 205,612 |
| 95. | 38.75°F | Griswold Community School District / 3,404 |
| 96. | 38.75°F | Riverside Community School District / 4,115 |
| 97. | 38.73°F | Southeast Polk Community School District / 33,956 |
| 98. | 38.73°F | Mormon Trail Community School District / 1,675 |
| 99. | 38.73°F | Murray Community School District / 1,200 |
| 100. | 38.71°F | A-H-S-T Community School District / 3,146 |
| 101. | 38.71°F | Corning Community School District / 2,814 |
| 102. | 38.68°F | Lynnville-Sully Community School District / 3,164 |
| 103. | 38.65°F | Van Meter Community School District / 3,282 |
| 104. | 38.63°F | Prescott Community School District / 645 |
| 105. | 38.58°F | Clear Creek-Amana Community School District / 12,321 |
| 106. | 38.57°F | Winterset Community School District / 8,821 |
| 107. | 38.55°F | Keota Community School District / 2,064 |
| 108. | 38.52°F | East Union Community School District / 3,256 |
| 109. | 38.49°F | Solon Community School District / 6,638 |
| 110. | 38.47°F | Walnut Community School District / 1,219 |
| 111. | 38.46°F | Saydel Community School District / 8,103 |
| 112. | 38.46°F | Atlantic Community School District / 8,459 |
| 113. | 38.45°F | West Des Moines Community School District / 65,738 |
| 114. | 38.44°F | Johnston Community School District / 34,241 |
| 115. | 38.44°F | Creston Community School District / 9,674 |
| 116. | 38.44°F | Woodbine Community School District / 2,660 |
| 117. | 38.43°F | Iowa City Community School District / 110,675 |
| 118. | 38.43°F | Urbandale Community School District / 20,873 |
| 119. | 38.41°F | Waukee Community School District / 41,420 |
| 120. | 38.36°F | Camanche Community School District / 5,616 |
| 121. | 38.30°F | Earlham Community School District / 3,358 |
| 122. | 38.30°F | Harlan Community School District / 8,844 |
| 123. | 38.30°F | C and M Community School District / 2,951 |
| 124. | 38.29°F | Elk Horn-Kimballton Community School District / 1,467 |
| 125. | 38.28°F | Colfax-Mingo Community School District / 4,262 |
| 126. | 38.27°F | Bondurant-Farrar Community School District / 6,685 |
| 127. | 38.26°F | Orient-Macksburg Community School District / 1,209 |
| 128. | 38.26°F | Adel-De Soto-Minburn Community School District / 8,067 |
| 129. | 38.25°F | West Harrison Community School District / 2,638 |
| 130. | 38.23°F | Anita Community School District / 1,759 |
| 131. | 38.22°F | English Valleys Community School District / 2,890 |
| 132. | 38.19°F | IKM Community School District / 4,641 |
| 133. | 38.14°F | Boyer Valley Community School District / 2,740 |
| 134. | 38.12°F | West Central Valley Community School District / 5,965 |
| 135. | 38.09°F | Tipton Community School District / 4,999 |
| 136. | 38.09°F | Charter Oak-Ute Community School District / 2,099 |
| 137. | 38.08°F | Nodaway Valley Community School District / 4,119 |
| 138. | 38.04°F | Audubon Community School District / 3,382 |
| 139. | 38.03°F | Williamsburg Community School District / 6,496 |
| 140. | 38.01°F | Bennett Community School District / 1,138 |
| 141. | 37.98°F | Exira Community School District / 1,825 |
| 142. | 37.97°F | North Polk Community School District / 6,798 |
| 143. | 37.95°F | Ankeny Community School District / 53,970 |
| 144. | 37.94°F | West Monona Community School District / 4,003 |
| 145. | 37.91°F | Clinton Community School District / 25,889 |
| 146. | 37.90°F | Woodward-Granger Community School District / 5,287 |
| 147. | 37.89°F | Montezuma Community School District / 3,480 |
| 148. | 37.87°F | Dubuque Community School District / 76,893 |
| 149. | 37.86°F | Baxter Community School District / 1,717 |
| 150. | 37.85°F | Adair-Casey Community School District / 1,914 |
| 151. | 37.84°F | Maquoketa Community School District / 8,888 |
| 152. | 37.84°F | Ballard Community School District / 7,081 |
| 153. | 37.84°F | Dallas Center-Grimes Community School District / 10,190 |
| 154. | 37.78°F | Central Clinton Community School District / 9,489 |
| 155. | 37.76°F | Maple Valley Community School District / 4,404 |
| 156. | 37.76°F | Manning Community School District / 2,240 |
| 157. | 37.74°F | College Community School District / 24,875 |
| 158. | 37.68°F | Guthrie Center Community School District / 2,625 |
| 159. | 37.61°F | Denison Community School District / 10,354 |
| 160. | 37.57°F | Ar-We-Va Community School District / 2,230 |
| 161. | 37.54°F | Madrid Community School District / 3,512 |
| 162. | 37.53°F | Mount Vernon Community School District / 6,779 |
| 163. | 37.52°F | Whiting Community School District / 1,328 |
| 164. | 37.52°F | Westwood Community School District / 3,153 |
| 165. | 37.51°F | Schleswig Community School District / 1,630 |
| 166. | 37.50°F | Midland Community School District / 3,620 |
| 167. | 37.47°F | Bellevue Community School District / 4,704 |
| 168. | 37.45°F | Grinnell-Newburg Community School District / 12,345 |
| 169. | 37.44°F | Iowa Valley Community School District / 3,512 |
| 170. | 37.44°F | Sergeant Bluff-Luton Community School District / 6,278 |
| 171. | 37.43°F | H-L-V Community School District / 2,207 |
| 172. | 37.43°F | Cedar Rapids Community School District / 120,797 |
| 173. | 37.41°F | Brooklyn-Guernsey-Malcom Community School District / 3,173 |
| 174. | 37.40°F | Coon Rapids-Bayard Community School District / 2,822 |
| 175. | 37.39°F | United Community School District / 2,145 |
| 176. | 37.37°F | Battle Creek-Ida Grove Community School District / 3,937 |
| 177. | 37.36°F | Anthon-Oto Community School District / 1,381 |
| 178. | 37.36°F | Boone Community School District / 14,429 |
| 179. | 37.35°F | Lisbon Community School District / 2,816 |
| 180. | 37.34°F | Northeast Community School District / 2,941 |
| 181. | 37.34°F | Calamus-Wheatland Community School District / 2,301 |
| 182. | 37.34°F | Andrew Community School District / 1,551 |
| 183. | 37.31°F | Lawton-Bronson Community School District / 3,078 |
| 184. | 37.31°F | Benton Community School District / 9,202 |
| 185. | 37.31°F | North Cedar Community School District / 5,101 |
| 186. | 37.27°F | East Central Community School District / 4,005 |
| 187. | 37.27°F | Preston Community School District / 1,842 |
| 188. | 37.26°F | Marion Independent School District / 12,255 |
| 189. | 37.26°F | Linn-Mar Community School District / 37,068 |
| 190. | 37.25°F | Olin Consolidated School District / 1,480 |
| 191. | 37.23°F | South Tama County Community School District / 8,674 |
| 192. | 37.23°F | Belle Plaine Community School District / 3,236 |
| 193. | 37.22°F | Delwood Community School District / 1,123 |
| 194. | 37.21°F | Center Point-Urbana Community School District / 5,868 |
| 195. | 37.21°F | Panorama Community School District / 4,575 |
| 196. | 37.21°F | Hudson Community School District / 3,327 |
| 197. | 37.20°F | East Marshall Community School District / 4,093 |
| 198. | 37.20°F | Springville Community School District / 2,568 |
| 199. | 37.18°F | Perry Community School District / 10,091 |
| 200. | 37.16°F | Waterloo Community School District / 77,406 |
| 201. | 37.16°F | Collins-Maxwell Community School District / 2,689 |
| 202. | 37.15°F | GMG Community School District / 1,782 |
| 203. | 37.15°F | Woodbury Central Community School District / 2,901 |
| 204. | 37.14°F | Ogden Community School District / 4,003 |
| 205. | 37.13°F | Carroll Community School District / 14,060 |
| 206. | 37.12°F | East Greene Community School District / 1,714 |
| 207. | 37.11°F | Alburnett Community School District / 3,524 |
| 208. | 37.11°F | Union Community School District / 6,347 |
| 209. | 37.09°F | Gladbrook-Reinbeck Community School District / 4,417 |
| 210. | 37.09°F | West Marshall Community School District / 4,951 |
| 211. | 37.09°F | Glidden-Ralston Community School District / 2,080 |
| 212. | 37.08°F | Ames Community School District / 58,297 |
| 213. | 37.05°F | Marshalltown Community School District / 30,396 |
| 214. | 37.05°F | Sioux City Community School District / 83,385 |
| 215. | 37.02°F | North Tama County Community School District / 3,086 |
| 216. | 37.01°F | Southeast Webster-Grand Community School District / 3,156 |
| 217. | 37.01°F | Monticello Community School District / 6,621 |
| 218. | 37.00°F | Stratford Community School District / 1,209 |
| 219. | 37.00°F | Vinton-Shellsburg Community School District / 10,383 |
| 220. | 36.97°F | Grundy Center Community School District / 3,725 |
| 221. | 36.96°F | Jefferson-Scranton Community School District / 6,062 |
| 222. | 36.93°F | Colo-Nesco Community School District / 3,044 |
| 223. | 36.92°F | Dunkerton Community School District / 2,499 |
| 224. | 36.89°F | Paton-Churdan Community School District / 1,112 |
| 225. | 36.89°F | Odebolt-Arthur Community School District / 2,227 |
| 226. | 36.88°F | Fort Dodge Community School District / 28,658 |
| 227. | 36.86°F | BCLUW Community School District / 3,214 |
| 228. | 36.86°F | Nevada Community School District / 8,919 |
| 229. | 36.86°F | Independence Community School District / 9,001 |
| 230. | 36.84°F | River Valley Community School District / 2,583 |
| 231. | 36.84°F | Roland-Story Community School District / 5,841 |
| 232. | 36.82°F | Clayton Ridge Community School District / 5,044 |
| 233. | 36.81°F | Gilbert Community School District / 6,714 |
| 234. | 36.79°F | South Hamilton Community School District / 3,602 |
| 235. | 36.77°F | North Linn Community School District / 3,653 |
| 236. | 36.77°F | Eldora-New Providence Community School District / 3,765 |
| 237. | 36.75°F | Prairie Valley Community School District / 4,144 |
| 238. | 36.75°F | Dike-New Hartford Community School District / 4,498 |
| 239. | 36.72°F | Eastern Allamakee Community School District / 2,710 |
| 240. | 36.72°F | Cedar Falls Community School District / 41,989 |
| 241. | 36.69°F | Anamosa Community School District / 9,287 |
| 242. | 36.69°F | AGWSR Community School District / 4,849 |
| 243. | 36.68°F | Kingsley-Pierson Community School District / 2,646 |
| 244. | 36.67°F | Denver Community School District / 3,847 |
| 245. | 36.67°F | Schaller-Crestland Community School District / 2,388 |
| 246. | 36.67°F | Oelwein Community School District / 8,702 |
| 247. | 36.67°F | Jesup Community School District / 5,895 |
| 248. | 36.66°F | Waverly-Shell Rock Community School District / 13,825 |
| 249. | 36.63°F | MFL MarMac Community School District / 5,471 |
| 250. | 36.62°F | Hubbard-Radcliffe Community School District / 2,896 |
| 251. | 36.61°F | Janesville Consolidated School District / 2,455 |
| 252. | 36.60°F | Alden Community School District / 1,572 |
| 253. | 36.58°F | Iowa Falls Community School District / 7,064 |
| 254. | 36.57°F | Southern Cal Community School District / 2,962 |
| 255. | 36.55°F | Wall Lake View Auburn Community School District / 5,728 |
| 256. | 36.54°F | Wapsie Valley Community School District / 3,790 |
| 257. | 36.52°F | Webster City Community School District / 9,959 |
| 258. | 36.52°F | Central City Community School District / 2,998 |
| 259. | 36.51°F | Northeast Hamilton Community School District / 1,390 |
| 260. | 36.51°F | Sumner Community School District / 3,448 |
| 261. | 36.51°F | Tripoli Community School District / 2,771 |
| 262. | 36.48°F | Aplington-Parkersburg Community School District / 4,304 |
| 263. | 36.48°F | Galva-Holstein Community School District / 2,573 |
| 264. | 36.47°F | Manson Northwest Webster Community School District / 4,280 |
| 265. | 36.45°F | Sac Community School District / 2,765 |
| 266. | 36.39°F | Hinton Community School District / 2,690 |
| 267. | 36.36°F | Rockwell City-Lytton Community School District / 3,246 |
| 268. | 36.34°F | Clarksville Community School District / 2,094 |
| 269. | 36.33°F | Gilmore City-Bradgate Community School District / 1,012 |
| 270. | 36.32°F | Pomeroy-Palmer Community School District / 1,528 |
| 271. | 36.31°F | Humboldt Community School District / 7,467 |
| 272. | 36.29°F | Eagle Grove Community School District / 4,693 |
| 273. | 36.28°F | Clarion-Goldfield Community School District / 4,653 |
| 274. | 36.28°F | Allison-Bristow Community School District / 4,070 |
| 275. | 36.24°F | Western Dubuque Community School District / 22,060 |
| 276. | 36.24°F | East Buchanan Community School District / 2,905 |
| 277. | 36.20°F | West Delaware County Community School District / 9,003 |
| 278. | 36.19°F | Maquoketa Valley Community School District / 4,450 |
| 279. | 36.19°F | Allamakee Community School District / 8,539 |
| 280. | 36.15°F | Alta Community School District / 2,893 |
| 281. | 36.14°F | Dows Community School District / 801 |
| 282. | 36.13°F | Central Community School District / 3,329 |
| 283. | 36.13°F | Storm Lake Community School District / 12,212 |
| 284. | 36.13°F | West Bend-Mallard Community School District / 2,108 |
| 285. | 36.12°F | Emmetsburg Community School District / 4,971 |
| 286. | 36.09°F | Pocahontas Area Community School District / 5,262 |
| 287. | 36.08°F | Newell-Fonda Community School District / 2,569 |
| 288. | 36.07°F | Lu Verne Community School District / 506 |
| 289. | 36.05°F | Laurens-Marathon Community School District / 2,182 |
| 290. | 36.05°F | Twin Rivers Community School District / 1,193 |
| 291. | 36.02°F | Starmont Community School District / 3,814 |
| 292. | 36.00°F | Postville Community School District / 3,489 |
| 293. | 36.00°F | Albert City-Truesdale Community School District / 1,472 |
| 294. | 35.98°F | Edgewood-Colesburg Community School District / 2,949 |
| 295. | 35.95°F | Nashua-Plainfield Community School District / 3,878 |
| 296. | 35.94°F | Akron-Westfield Community School District / 3,200 |
| 297. | 35.94°F | Le Mars Community School District / 13,419 |
| 298. | 35.93°F | Greene Community School District / 2,045 |
| 299. | 35.83°F | Aurelia Community School District / 1,646 |
| 300. | 35.81°F | Marcus-Meriden-Cleghorn Community School District / 2,921 |
| 301. | 35.80°F | Cherokee Community School District / 6,432 |
| 302. | 35.80°F | Charles City Community School District / 11,219 |
| 303. | 35.79°F | Valley Community School District / 3,065 |
| 304. | 35.78°F | West Central Community School District / 1,871 |
| 305. | 35.77°F | Hampton-Dumont Community School District / 6,739 |
| 306. | 35.76°F | West Hancock Community School District / 4,119 |
| 307. | 35.76°F | Cal Community School District / 1,713 |
| 308. | 35.75°F | Algona Community School District / 9,417 |
| 309. | 35.75°F | Corwith-Wesley Community School District / 921 |
| 310. | 35.75°F | Sioux Central Community School District / 2,581 |
| 311. | 35.70°F | Ruthven-Ayrshire Community School District / 1,409 |
| 312. | 35.68°F | Sentral Community School District / 1,028 |
| 313. | 35.66°F | Titonka Consolidated School District / 897 |
| 314. | 35.59°F | Woden-Crystal Lake Community School District / 912 |
| 315. | 35.57°F | North Kossuth Community School District / 2,237 |
| 316. | 35.55°F | Fredericksburg Community School District / 1,824 |
| 317. | 35.55°F | North Iowa Community School District / 3,147 |
| 318. | 35.55°F | Remsen-Union Community School District / 3,013 |
| 319. | 35.53°F | Belmond-Klemme Community School District / 4,389 |
| 320. | 35.52°F | Sheffield Chapin Meservey Thornton Community School District / 4,716 |
| 321. | 35.50°F | Armstrong-Ringsted Community School District / 2,149 |
| 322. | 35.49°F | North Fayette Community School District / 6,122 |
| 323. | 35.46°F | South Clay Community School District / 910 |
| 324. | 35.46°F | Spencer Community School District / 12,952 |
| 325. | 35.44°F | Clay Central-Everly Community School District / 2,322 |
| 326. | 35.44°F | Ventura Community School District / 1,683 |
| 327. | 35.43°F | New Hampton Community School District / 7,238 |
| 328. | 35.43°F | Clear Lake Community School District / 8,752 |
| 329. | 35.43°F | Osage Community School District / 5,969 |
| 330. | 35.42°F | Garner-Hayfield Community School District / 3,852 |
| 331. | 35.42°F | Rock Valley Community School District / 5,192 |
| 332. | 35.39°F | West Sioux Community School District / 3,988 |
| 333. | 35.39°F | Forest City Community School District / 7,723 |
| 334. | 35.39°F | Turkey Valley Community School District / 2,954 |
| 335. | 35.38°F | Sioux Center Community School District / 8,923 |
| 336. | 35.37°F | Rudd-Rockford-Marble Rock Community School District / 2,956 |
| 337. | 35.37°F | Lake Mills Community School District / 3,576 |
| 338. | 35.34°F | Graettinger Community School District / 2,201 |
| 339. | 35.33°F | Rockwell-Swaledale Community School District / 1,970 |
| 340. | 35.31°F | St. Ansgar Community School District / 4,065 |
| 341. | 35.31°F | West Lyon Community School District / 4,823 |
| 342. | 35.31°F | Mason City Community School District / 28,622 |
| 343. | 35.31°F | Boyden-Hull Community School District / 4,358 |
| 344. | 35.29°F | Nora Springs-Rock Falls Community School District / 2,466 |
| 345. | 35.24°F | Central Lyon Community School District / 4,018 |
| 346. | 35.23°F | MOC-Floyd Valley Community School District / 11,218 |
| 347. | 35.21°F | Northwood-Kensett Community School District / 3,314 |
| 348. | 35.21°F | North Central Community School District / 5,594 |
| 349. | 35.05°F | Estherville Lincoln Central Community School District / 7,995 |
| 350. | 35.04°F | Terril Community School District / 993 |
| 351. | 35.02°F | South O'Brien Community School District / 4,582 |
| 352. | 34.95°F | Sheldon Community School District / 7,292 |
| 353. | 34.94°F | Howard-Winneshiek Community School District / 9,042 |
| 354. | 34.93°F | South Winneshiek Community School District / 4,523 |
| 355. | 34.83°F | Riceville Community School District / 2,655 |
| 356. | 34.81°F | Hartley-Melvin-Sanborn Community School District / 4,250 |
| 357. | 34.80°F | George-Little Rock Community School District / 2,698 |
| 358. | 34.73°F | Okoboji Community School District / 6,700 |
| 359. | 34.61°F | Decorah Community School District / 11,789 |
| 360. | 34.54°F | Spirit Lake Community School District / 8,022 |
| 361. | 34.54°F | Harris-Lake Park Community School District / 1,717 |
| 362. | 34.45°F | Sibley-Ocheyedan Community School District / 4,603 |
| 363. | 34.30°F | North Winneshiek Community School District / 2,037 |
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.
