| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Average Max. Temperature (F) | 38.3 | 46.5 | 58.5 | 68.7 | 77.7 | 89.8 | 96.7 | 93.1 | 83.9 | 70.3 | 51.5 | 42.8 | 68.3 |
| Average Min. Temperature (F) | 13.4 | 20.2 | 29.7 | 35.7 | 43.1 | 51.3 | 56.4 | 54.6 | 46.8 | 36.2 | 25.0 | 17.7 | 35.9 |
| Average Total Precipitation (in.) | 0.73 | 0.69 | 1.01 | 0.97 | 1.12 | 0.41 | 0.73 | 1.09 | 0.98 | 1.20 | 0.88 | 0.54 | 10.35 |