Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
Average Max. Temperature (F) | 20.9 | 27.3 | 39.2 | 55.0 | 69.4 | 78.4 | 81.6 | 79.4 | 71.6 | 58.4 | 38.9 | 25.4 | 54.0 |
Average Min. Temperature (F) | 2.0 | 9.1 | 22.0 | 34.7 | 47.1 | 56.7 | 60.3 | 58.0 | 48.5 | 36.2 | 22.2 | 8.1 | 33.9 |
Average Total Precipitation (in.) | 1.30 | 1.09 | 2.41 | 3.21 | 3.81 | 4.37 | 4.57 | 4.32 | 3.34 | 2.56 | 2.12 | 1.51 | 34.60 |