| Month | Avg. High | Avg. Low |
|---|---|---|
| January | 20.6 °F | -0.6 °F |
| February | 25.4 °F | 2.8 °F |
| March | 36.7 °F | 14.4 °F |
| April | 51.6 °F | 25.5 °F |
| May | 63.1 °F | 35.7 °F |
| June | 71.1 °F | 45.1 °F |
| July | 79.3 °F | 49.9 °F |
| August | 79.2 °F | 48.0 °F |
| September | 67.8 °F | 38.3 °F |
| October | 51.8 °F | 26.2 °F |
| November | 34.8 °F | 13.3 °F |
| December | 23.3 °F | 2.5 °F |
| Year | 50.5 °F | 25.2 °F |