| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Average Max. Temperature (F) | 42.4 | 47.3 | 53.0 | 59.6 | 71.8 | 82.9 | 92.6 | 90.1 | 79.6 | 66.3 | 50.1 | 41.7 | 65.0 |
| Average Min. Temperature (F) | 19.7 | 23.9 | 28.3 | 32.4 | 41.2 | 49.2 | 56.5 | 54.0 | 44.0 | 33.5 | 25.0 | 17.8 | 35.5 |
| Average Total Precipitation (in.) | 0.79 | 0.98 | 0.97 | 1.11 | 0.91 | 0.91 | 0.50 | 0.56 | 0.85 | 0.70 | 0.72 | 0.84 | 9.84 |