| Month |
Temperatures (°F) |
Precipitation (in) |
Degree Days |
| Min |
Max |
Avg |
Heating |
Cooling |
| Jan | 37 | 56 | 46 | 6.31 | 586 | 0 |
| Feb | 40 | 61 | 50 | 4.93 | 418 | 7 |
| Mar | 47 | 69 | 58 | 6.31 | 235 | 23 |
| Apr | 54 | 76 | 65 | 5.45 | 80 | 89 |
| May | 63 | 84 | 74 | 5.44 | 10 | 275 |
| Jun | 70 | 90 | 80 | 3.81 | 0 | 451 |
| Jul | 73 | 93 | 83 | 3.79 | 0 | 546 |
| Aug | 71 | 92 | 82 | 3.22 | 0 | 519 |
| Sep | 66 | 88 | 77 | 3.06 | 3 | 356 |
| Oct | 54 | 79 | 66 | 3.51 | 71 | 113 |
| Nov | 46 | 68 | 57 | 5.02 | 260 | 26 |
| Dec | 39 | 59 | 49 | 5.58 | 500 | 10 |
| Year | 55 | 76 | 66 | 56.43 | 2163 | 2415 |
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