| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Average Max. Temperature (F) | 34.4 | 43.2 | 55.0 | 64.2 | 73.0 | 82.0 | 90.3 | 89.7 | 79.4 | 65.4 | 46.4 | 35.9 | 63.4 |
| Average Min. Temperature (F) | 19.2 | 24.9 | 31.4 | 37.4 | 45.2 | 52.0 | 57.3 | 55.2 | 45.7 | 35.6 | 26.9 | 20.2 | 37.7 |
| Average Total Precipitation (in.) | 1.28 | 1.09 | 1.08 | 0.85 | 0.98 | 0.77 | 0.33 | 0.40 | 0.48 | 0.64 | 1.20 | 1.39 | 10.48 |