AVERAGE TEMPERATURES
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 16° | 21° | 32° | 48° | 61° | 71° | 77° | 74° | 64° | 52° | 35° | 20° |
| Avg. Low | -2° | 2° | 15° | 28° | 38° | 48° | 55° | 54° | 44° | 35° | 21° | 4° |
| Mean | 7° | 12° | 24° | 38° | 51° | 60° | 66° | 64° | 54° | 44° | 28° | 14° |
| Avg. Precip. | 1.3 in | 0.8 in | 1.9 in | 2.3 in | 3.0 in | 3.8 in | 3.6 in | 4.0 in | 3.8 in | 2.5 in | 1.8 in | 1.3 in |
Degrees in Fahrenheit