| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Average Max. Temperature (F) | 68.8 | 69.6 | 70.3 | 72.6 | 74.2 | 77.7 | 82.6 | 83.9 | 83.0 | 79.7 | 71.0 | 68.8 | 75.4 |
| Average Min. Temperature (F) | 45.7 | 47.1 | 48.7 | 51.4 | 55.4 | 59.1 | 62.5 | 63.8 | 61.9 | 57.3 | 48.9 | 45.6 | 54.1 |
| Average Total Precipitation (in.) | 2.43 | 2.62 | 2.06 | 0.80 | 0.19 | 0.06 | 0.01 | 0.16 | 0.33 | 0.31 | 1.56 | 1.79 | 12.32 |