Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
Average Max. Temperature (F) | 21.5 | 27.6 | 39.5 | 55.7 | 68.8 | 77.5 | 81.7 | 79.5 | 70.7 | 58.5 | 40.8 | 26.4 | 54.2 |
Average Min. Temperature (F) | 3.5 | 9.1 | 21.6 | 34.5 | 46.1 | 55.5 | 59.8 | 57.3 | 48.5 | 37.1 | 23.8 | 9.9 | 34.0 |
Average Total Precipitation (in.) | 0.92 | 1.01 | 2.06 | 3.16 | 3.90 | 4.02 | 4.41 | 4.30 | 4.21 | 2.90 | 1.90 | 1.28 | 34.05 |