| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3 °C | 8.7 °C | 360.93 mm |
| February | 2.7 °C | 9.7 °C | 230.38 mm |
| March | 3.7 °C | 10.9 °C | 273.3 mm |
| April | 4.8 °C | 12.9 °C | 188.72 mm |
| May | 7.3 °C | 15.4 °C | 106.17 mm |
| June | 9.6 °C | 17.3 °C | 83.82 mm |
| July | 11.2 °C | 18.7 °C | 39.12 mm |
| August | 11.2 °C | 19.9 °C | 56.13 mm |
| September | 9.8 °C | 19.2 °C | 86.36 mm |
| October | 7.2 °C | 15.4 °C | 232.41 mm |
| November | 4.5 °C | 11.1 °C | 378.46 mm |
| December | 2.7 °C | 8.4 °C | 351.79 mm |
| Annual | 6.5 °C | 14 °C | 2387.59 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfb - Temperate Oceanic Climate |