| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Average Max. Temperature (F) | 26.2 | 31.4 | 41.0 | 51.5 | 61.6 | 72.7 | 81.0 | 79.6 | 68.9 | 55.6 | 36.8 | 27.2 | 53.0 |
| Average Min. Temperature (F) | -1.7 | 2.9 | 13.8 | 21.9 | 30.6 | 38.2 | 43.7 | 41.6 | 31.6 | 20.5 | 9.0 | -1.0 | 21.0 |
| Average Total Precipitation (in.) | 0.28 | 0.30 | 0.37 | 0.76 | 1.33 | 0.74 | 0.73 | 0.84 | 0.91 | 0.64 | 0.41 | 0.24 | 7.53 |