| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Average Max. Temperature (F) | 43.1 | 46.9 | 52.4 | 59.9 | 68.9 | 79.3 | 86.6 | 84.7 | 76.5 | 65.2 | 49.8 | 44.1 | 63.3 |
| Average Min. Temperature (F) | 21.9 | 24.8 | 29.4 | 34.9 | 43.3 | 52.3 | 58.6 | 57.3 | 49.8 | 39.6 | 28.0 | 22.3 | 38.6 |
| Average Total Precipitation (in.) | 1.53 | 1.76 | 1.61 | 1.07 | 1.16 | 0.57 | 0.90 | 1.31 | 1.01 | 1.01 | 1.00 | 1.07 | 14.01 |