| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Average Max. Temperature (F) | 37.7 | 43.3 | 50.9 | 60.0 | 69.4 | 80.1 | 88.1 | 85.8 | 75.9 | 63.2 | 47.4 | 38.4 | 61.9 |
| Average Min. Temperature (F) | 19.8 | 24.4 | 30.4 | 37.5 | 45.9 | 55.3 | 62.7 | 60.5 | 50.9 | 39.9 | 28.8 | 21.0 | 39.9 |
| Average Total Precipitation (in.) | 1.16 | 1.49 | 2.21 | 2.42 | 1.93 | 1.11 | 0.85 | 1.08 | 1.33 | 1.74 | 1.77 | 1.43 | 18.52 |