| Month | Avg. High | Avg. Low |
|---|---|---|
| January | 22.8 °F | 5.6 °F |
| February | 27.3 °F | 9.7 °F |
| March | 39.9 °F | 21.5 °F |
| April | 55.1 °F | 32.8 °F |
| May | 68.2 °F | 46.1 °F |
| June | 78.5 °F | 57.6 °F |
| July | 82.2 °F | 61.1 °F |
| August | 79.4 °F | 58.0 °F |
| September | 73.0 °F | 49.2 °F |
| October | 58.9 °F | 36.4 °F |
| November | 42.0 °F | 23.4 °F |
| December | 28.0 °F | 11.9 °F |
| Year | 54.9 °F | 34.7 °F |