| Month | Avg. High | Avg. Low |
|---|---|---|
| January | 21.1 °F | 4.0 °F |
| February | 24.5 °F | 7.0 °F |
| March | 37.4 °F | 18.6 °F |
| April | 53.7 °F | 30.7 °F |
| May | 66.8 °F | 42.9 °F |
| June | 75.4 °F | 53.2 °F |
| July | 81.8 °F | 58.1 °F |
| August | 81.6 °F | 55.9 °F |
| September | 71.0 °F | 46.7 °F |
| October | 54.7 °F | 33.8 °F |
| November | 37.5 °F | 20.1 °F |
| December | 25.1 °F | 8.8 °F |
| Year | 52.7 °F | 31.8 °F |