| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Average Max. Temperature (F) | 41.3 | 46.1 | 51.2 | 58.1 | 68.2 | 79.9 | 87.2 | 84.5 | 76.4 | 64.1 | 48.5 | 42.9 | 62.5 |
| Average Min. Temperature (F) | 10.9 | 17.5 | 22.5 | 25.7 | 32.3 | 39.6 | 45.4 | 43.9 | 35.7 | 26.5 | 18.6 | 12.4 | 27.6 |
| Average Total Precipitation (in.) | 0.75 | 0.40 | 0.52 | 0.66 | 0.79 | 0.47 | 0.62 | 0.95 | 0.64 | 0.60 | 0.59 | 0.54 | 7.53 |