| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Average Max. Temperature (F) | 41.9 | 45.2 | 48.4 | 54.7 | 64.9 | 74.6 | 82.8 | 80.9 | 73.0 | 63.2 | 48.5 | 42.2 | 60.2 |
| Average Min. Temperature (F) | 14.6 | 16.8 | 19.7 | 24.3 | 32.4 | 40.8 | 46.9 | 45.4 | 37.3 | 29.0 | 19.6 | 14.0 | 28.5 |
| Average Total Precipitation (in.) | 0.89 | 0.65 | 0.51 | 0.67 | 0.63 | 0.61 | 0.69 | 0.72 | 0.65 | 0.35 | 0.53 | 0.59 | 7.50 |