| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Average Max. Temperature (F) | 40.5 | 46.6 | 54.9 | 61.7 | 71.1 | 81.7 | 90.8 | 89.8 | 80.1 | 66.8 | 49.6 | 40.8 | 64.7 |
| Average Min. Temperature (F) | 18.8 | 23.0 | 27.1 | 31.4 | 38.4 | 45.0 | 50.4 | 48.2 | 39.9 | 30.6 | 23.3 | 18.7 | 33.0 |
| Average Total Precipitation (in.) | 0.95 | 0.94 | 1.04 | 1.28 | 1.31 | 0.70 | 0.32 | 0.36 | 0.58 | 0.76 | 0.97 | 1.08 | 10.29 |