| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Average Max. Temperature (F) | 45.4 | 51.8 | 59.5 | 65.8 | 74.2 | 83.8 | 92.2 | 90.8 | 82.3 | 69.8 | 54.3 | 45.9 | 68.2 |
| Average Min. Temperature (F) | 19.2 | 23.5 | 28.3 | 33.7 | 41.4 | 49.0 | 54.5 | 52.2 | 43.5 | 32.6 | 24.0 | 18.9 | 35.2 |
| Average Total Precipitation (in.) | 0.51 | 0.57 | 0.55 | 0.41 | 0.61 | 0.48 | 0.25 | 0.25 | 0.46 | 0.44 | 0.52 | 0.50 | 5.53 |