Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
Average Max. Temperature (F) | 20.8 | 26.4 | 35.2 | 47.0 | 58.5 | 68.2 | 75.5 | 73.8 | 65.6 | 53.5 | 37.0 | 25.3 | 49.1 |
Average Min. Temperature (F) | 1.9 | 7.6 | 19.0 | 30.2 | 39.7 | 48.3 | 55.7 | 55.9 | 47.3 | 36.3 | 22.4 | 8.4 | 31.2 |
Average Total Precipitation (in.) | 0.99 | 0.90 | 1.74 | 2.11 | 3.12 | 4.27 | 4.05 | 4.30 | 3.88 | 2.53 | 1.96 | 1.10 | 30.94 |