| Rank | Average Temperature ▼ | School District / Population |
| 1. | 51.76°F | Darien School District / 21,190 |
| 2. | 51.72°F | Greenwich School District / 62,141 |
| 3. | 51.69°F | Stamford School District / 125,401 |
| 4. | 51.53°F | Norwalk School District / 87,214 |
| 5. | 51.49°F | New Canaan School District / 20,073 |
| 6. | 51.33°F | Westport School District / 27,055 |
| 7. | 51.05°F | Fairfield School District / 60,678 |
| 8. | 50.90°F | Wilton School District / 18,519 |
| 9. | 50.88°F | Weston School District / 10,319 |
| 10. | 50.79°F | Bridgeport School District / 146,680 |
| 11. | 50.64°F | Clinton School District / 13,188 |
| 12. | 50.61°F | Stratford School District / 52,092 |
| 13. | 50.57°F | Madison School District / 18,284 |
| 14. | 50.45°F | Ridgefield School District / 25,025 |
| 15. | 50.26°F | Branford School District / 28,066 |
| 16. | 50.24°F | Easton School District / 7,593 |
| 17. | 50.21°F | Regional High School District 09 / 16,860 |
| 18. | 50.19°F | Essex School District / 6,643 |
| 19. | 50.18°F | Westbrook School District / 6,916 |
| 20. | 50.12°F | Guilford School District / 22,405 |
| 21. | 50.02°F | Redding School District / 9,267 |
| 22. | 49.98°F | Old Saybrook School District / 10,222 |
| 23. | 49.97°F | Milford School District / 53,039 |
| 24. | 49.96°F | East Haven School District / 29,139 |
| 25. | 49.91°F | North Branford School District / 14,387 |
| 26. | 49.89°F | Deep River School District / 4,611 |
| 26. | 49.89°F | Regional High School District 04 / 15,477 |
| 28. | 49.85°F | Chester School District / 4,223 |
| 29. | 49.79°F | Trumbull School District / 36,444 |
| 30. | 49.76°F | Regional School District 13 / 11,797 |
| 31. | 49.74°F | Portland School District / 9,483 |
| 32. | 49.71°F | Regional School District 17 / 14,872 |
| 33. | 49.70°F | Middletown School District / 47,424 |
| 34. | 49.62°F | Bethel School District / 19,078 |
| 35. | 49.59°F | Colchester School District / 16,143 |
| 36. | 49.59°F | Shelton School District / 40,472 |
| 37. | 49.57°F | Preston School District / 4,735 |
| 38. | 49.56°F | Marlborough School District / 6,428 |
| 39. | 49.56°F | East Hampton School District / 12,936 |
| 40. | 49.55°F | East Haddam School District / 9,142 |
| 41. | 49.54°F | Hebron School District / 9,627 |
| 42. | 49.54°F | Regional High School District 08 / 19,236 |
| 43. | 49.46°F | Lebanon School District / 7,314 |
| 44. | 49.44°F | Groton School District / 40,136 |
| 45. | 49.36°F | Franklin School District / 1,993 |
| 46. | 49.34°F | Danbury School District / 82,781 |
| 47. | 49.32°F | New London School District / 27,536 |
| 48. | 49.31°F | Regional School District 18 / 9,954 |
| 49. | 49.31°F | Monroe School District / 19,744 |
| 50. | 49.27°F | Orange School District / 13,947 |
| 51. | 49.26°F | West Haven School District / 55,290 |
| 52. | 49.26°F | Columbia School District / 5,472 |
| 53. | 49.24°F | Waterford School District / 19,499 |
| 54. | 49.24°F | East Lyme School District / 19,118 |
| 55. | 49.24°F | Canterbury School District / 5,110 |
| 56. | 49.24°F | Cromwell School District / 14,077 |
| 57. | 49.24°F | Rocky Hill School District / 19,838 |
| 58. | 49.23°F | Salem School District / 4,176 |
| 59. | 49.22°F | Derby School District / 12,837 |
| 60. | 49.20°F | New Haven School District / 130,553 |
| 61. | 49.20°F | New Fairfield School District / 14,079 |
| 62. | 49.18°F | Sprague School District / 2,993 |
| 63. | 49.17°F | Ledyard School District / 15,090 |
| 64. | 49.16°F | Lisbon School District / 4,340 |
| 65. | 49.14°F | Bozrah School District / 2,631 |
| 66. | 49.13°F | Regional High School District 05 / 28,462 |
| 67. | 49.13°F | Ansonia School District / 19,128 |
| 68. | 49.12°F | Norwich School District / 40,378 |
| 69. | 49.01°F | Montville School District / 19,649 |
| 70. | 49.01°F | North Stonington School District / 5,293 |
| 71. | 49.00°F | Newtown School District / 27,960 |
| 72. | 48.99°F | Windham School District / 25,271 |
| 73. | 48.94°F | Stonington School District / 18,539 |
| 74. | 48.92°F | Andover School District / 3,181 |
| 75. | 48.91°F | Voluntown School District / 2,602 |
| 76. | 48.78°F | Sherman School District / 3,636 |
| 77. | 48.71°F | Griswold School District / 11,952 |
| 78. | 48.68°F | Berlin School District / 20,352 |
| 79. | 48.67°F | New Britain School District / 73,095 |
| 80. | 48.60°F | Scotland School District / 1,709 |
| 81. | 48.58°F | Brookfield School District / 16,774 |
| 82. | 48.57°F | Regional High School District 11 / 5,877 |
| 83. | 48.56°F | Chaplin School District / 2,256 |
| 84. | 48.56°F | Hampton School District / 1,912 |
| 85. | 48.43°F | North Haven School District / 23,997 |
| 86. | 48.42°F | Wallingford School District / 45,154 |
| 87. | 48.40°F | Woodbridge School District / 8,969 |
| 88. | 48.35°F | Hamden School District / 61,605 |
| 89. | 48.32°F | Seymour School District / 16,551 |
| 90. | 48.22°F | Plainfield School District / 15,270 |
| 91. | 48.21°F | Mansfield School District / 26,328 |
| 92. | 48.18°F | Glastonbury School District / 34,661 |
| 93. | 48.14°F | Sterling School District / 3,809 |
| 94. | 48.11°F | Meriden School District / 60,616 |
| 95. | 48.10°F | New Milford School District / 27,821 |
| 96. | 48.09°F | Plainville School District / 17,791 |
| 97. | 48.06°F | Southington School District / 43,509 |
| 98. | 48.06°F | Brooklyn School District / 8,240 |
| 99. | 48.05°F | Bolton School District / 4,963 |
| 100. | 48.04°F | Bethany School District / 5,546 |
| 101. | 48.03°F | East Hartford School District / 51,211 |
| 102. | 48.03°F | Cheshire School District / 29,272 |
| 103. | 48.02°F | Coventry School District / 12,434 |
| 104. | 48.00°F | Manchester School District / 58,270 |
| 105. | 48.00°F | Waterbury School District / 109,887 |
| 106. | 48.00°F | Regional School District 16 / 15,680 |
| 107. | 47.99°F | Oxford School District / 12,831 |
| 108. | 47.98°F | Naugatuck School District / 31,790 |
| 109. | 47.98°F | Regional School District 14 / 13,402 |
| 110. | 47.95°F | Kent School District / 2,951 |
| 111. | 47.85°F | Watertown School District / 22,286 |
| 112. | 47.84°F | Thomaston School District / 7,793 |
| 113. | 47.83°F | Plymouth School District / 12,085 |
| 114. | 47.82°F | Pomfret School District / 4,216 |
| 115. | 47.82°F | Bristol School District / 60,556 |
| 116. | 47.82°F | Wolcott School District / 16,724 |
| 117. | 47.80°F | Regional School District 15 / 27,451 |
| 118. | 47.80°F | Wethersfield School District / 26,579 |
| 119. | 47.76°F | Newington School District / 30,652 |
| 120. | 47.75°F | Farmington School District / 25,515 |
| 121. | 47.74°F | Killingly School District / 17,281 |
| 122. | 47.61°F | Regional School District 12 / 7,549 |
| 123. | 47.61°F | Eastford School District / 1,726 |
| 124. | 47.54°F | Putnam School District / 9,515 |
| 125. | 47.50°F | Thompson School District / 9,390 |
| 126. | 47.45°F | Litchfield School District / 8,365 |
| 127. | 47.43°F | Sharon School District / 2,746 |
| 128. | 47.36°F | Cornwall School District / 1,505 |
| 129. | 47.35°F | Regional School District 10 / 15,035 |
| 130. | 47.26°F | Regional High School District 19 / 36,619 |
| 131. | 47.21°F | Woodstock School District / 7,916 |
| 132. | 47.21°F | Regional School District 06 / 6,635 |
| 133. | 47.18°F | Willington School District / 5,994 |
| 134. | 47.17°F | Torrington School District / 35,774 |
| 135. | 47.14°F | Regional High School District 01 / 15,412 |
| 136. | 47.13°F | North Canaan School District / 3,262 |
| 137. | 47.06°F | Canaan School District / 1,240 |
| 138. | 47.05°F | Salisbury School District / 3,708 |
| 139. | 46.97°F | Ashford School District / 4,297 |
| 140. | 46.96°F | Union School District / 950 |
| 141. | 46.92°F | Norfolk School District / 1,486 |
| 142. | 46.85°F | South Windsor School District / 25,795 |
| 143. | 46.83°F | Bloomfield School District / 20,626 |
| 144. | 46.81°F | Vernon School District / 29,162 |
| 145. | 46.79°F | New Hartford School District / 6,910 |
| 146. | 46.79°F | Hartford School District / 125,211 |
| 147. | 46.78°F | West Hartford School District / 63,396 |
| 148. | 46.77°F | Winchester School District / 11,089 |
| 149. | 46.74°F | Regional High School District 07 / 13,739 |
| 150. | 46.74°F | Windsor School District / 29,130 |
| 151. | 46.68°F | Colebrook School District / 1,594 |
| 152. | 46.64°F | Avon School District / 18,298 |
| 153. | 46.52°F | Stafford School District / 12,013 |
| 154. | 46.48°F | Tolland School District / 14,971 |
| 155. | 46.28°F | Ellington School District / 15,725 |
| 156. | 46.16°F | Canton School District / 10,334 |
| 157. | 46.05°F | Barkhamsted School District / 3,749 |
| 158. | 46.04°F | Hartland School District / 2,211 |
| 159. | 46.00°F | East Windsor School District / 11,353 |
| 160. | 45.97°F | Somers School District / 11,431 |
| 161. | 45.88°F | East Granby School District / 5,098 |
| 162. | 45.88°F | Windsor Locks School District / 12,554 |
| 163. | 45.88°F | Suffield School District / 15,764 |
| 164. | 45.85°F | Enfield School District / 44,713 |
| 165. | 45.74°F | Granby School District / 11,310 |
| 166. | 45.71°F | Simsbury School District / 23,681 |
Please note that we only rank locations with 'Average Temperature' data. The rank above might not be a complete list. Locations without 'Average Temperature' data are not listed.
