| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Average Max. Temperature (F) | 34.2 | 42.9 | 54.5 | 63.9 | 73.2 | 82.6 | 90.9 | 89.5 | 78.5 | 64.8 | 46.7 | 35.8 | 63.3 |
| Average Min. Temperature (F) | 18.9 | 24.7 | 31.1 | 37.1 | 45.0 | 52.6 | 57.7 | 55.6 | 45.9 | 36.0 | 27.8 | 20.7 | 37.9 |
| Average Total Precipitation (in.) | 1.25 | 1.05 | 0.97 | 0.73 | 0.82 | 0.78 | 0.28 | 0.51 | 0.54 | 0.68 | 1.23 | 1.37 | 10.20 |