| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Average Max. Temperature (F) | 40.0 | 45.2 | 49.5 | 58.2 | 68.3 | 80.2 | 86.5 | 84.7 | 75.8 | 61.7 | 48.4 | 42.4 | 61.9 |
| Average Min. Temperature (F) | 10.0 | 16.0 | 22.1 | 25.3 | 31.9 | 39.9 | 45.1 | 45.3 | 37.3 | 26.1 | 19.6 | 14.8 | 27.9 |
| Average Total Precipitation (in.) | 1.15 | 0.37 | 0.63 | 0.54 | 0.72 | 0.50 | 0.80 | 1.31 | 0.86 | 0.66 | 0.76 | 0.66 | 8.95 |