| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Average Max. Temperature (F) | 39.8 | 46.4 | 56.7 | 65.2 | 75.0 | 85.8 | 93.6 | 91.5 | 81.7 | 67.6 | 50.7 | 40.8 | 66.4 |
| Average Min. Temperature (F) | 21.9 | 25.8 | 33.0 | 39.1 | 46.5 | 53.9 | 60.4 | 59.2 | 50.5 | 39.8 | 30.1 | 23.6 | 40.4 |
| Average Total Precipitation (in.) | 1.86 | 1.84 | 1.96 | 2.08 | 2.07 | 1.18 | 0.75 | 1.02 | 1.43 | 1.88 | 1.80 | 1.97 | 19.84 |