| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Average Max. Temperature (F) | 37.3 | 40.5 | 46.9 | 54.0 | 65.2 | 76.9 | 85.5 | 82.7 | 74.3 | 62.8 | 45.0 | 37.6 | 59.2 |
| Average Min. Temperature (F) | 13.3 | 17.1 | 22.0 | 25.3 | 32.5 | 40.7 | 47.1 | 45.0 | 37.3 | 29.3 | 19.7 | 13.0 | 28.6 |
| Average Total Precipitation (in.) | 0.54 | 0.40 | 0.63 | 0.56 | 0.76 | 0.87 | 0.90 | 0.63 | 0.70 | 0.77 | 0.66 | 0.45 | 7.85 |