| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 44° | 47° | 60° | 71° | 78° | 84° | 87° | 86° | 78° | 68° | 54° | 47° |
| Avg. Low | 5° | 8° | 16° | 25° | 31° | 38° | 41° | 40° | 35° | 27° | 18° | 8° |
| Mean | 28° | 30° | 36° | 44° | 54° | 58° | 62° | 60° | 55° | 46° | 36° | 30° |
| Avg. Precip. | 1.4 in | 1.3 in | 1.4 in | 1.5 in | 2.3 in | 2.6 in | 2.3 in | 2.6 in | 1.9 in | 1.5 in | 1.6 in | 1.7 in |
Fahrenheit temperature scale is used.