| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 27.5 °F | 41.8 °F | 2.17 in. |
| February | 28.9 °F | 46.5 °F | 1.69 in. |
| March | 33.0 °F | 54.5 °F | 2.1 in. |
| April | 37.1 °F | 61.4 °F | 1.91 in. |
| May | 43.6 °F | 70.2 °F | 2.01 in. |
| June | 49.1 °F | 77.6 °F | 1.35 in. |
| July | 54.3 °F | 88.6 °F | 0.3 in. |
| August | 53.5 °F | 87.8 °F | 0.41 in. |
| September | 46.3 °F | 78.2 °F | 0.57 in. |
| October | 37.7 °F | 64.2 °F | 1.37 in. |
| November | 31.7 °F | 49.6 °F | 2.36 in. |
| December | 27.4 °F | 41.1 °F | 2.42 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |