| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Average Max. Temperature (F) | 42.0 | 46.2 | 51.7 | 58.2 | 68.9 | 79.3 | 87.5 | 85.1 | 76.8 | 64.5 | 49.7 | 42.2 | 62.9 |
| Average Min. Temperature (F) | 12.0 | 17.4 | 21.5 | 24.9 | 32.2 | 39.7 | 45.4 | 44.0 | 35.3 | 25.8 | 18.9 | 12.1 | 27.5 |
| Average Total Precipitation (in.) | 0.65 | 0.43 | 0.48 | 0.62 | 0.78 | 0.78 | 0.63 | 0.97 | 0.65 | 0.56 | 0.55 | 0.52 | 7.62 |