Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
Average Max. Temperature (F) | 21.8 | 29.5 | 41.4 | 55.6 | 69.0 | 78.8 | 81.8 | 79.7 | 73.4 | 61.1 | 39.4 | 27.4 | 55.1 |
Average Min. Temperature (F) | 3.2 | 11.6 | 21.7 | 33.7 | 45.9 | 56.8 | 60.3 | 58.4 | 48.6 | 37.7 | 22.3 | 10.0 | 34.3 |
Average Total Precipitation (in.) | 0.61 | 0.53 | 1.49 | 2.58 | 3.62 | 4.56 | 4.73 | 4.10 | 2.77 | 2.29 | 1.55 | 0.84 | 29.69 |