| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.4 °C | 8.1 °C | 470.66 mm |
| February | 2.2 °C | 9.3 °C | 288.29 mm |
| March | 2.9 °C | 10.7 °C | 346.71 mm |
| April | 4.2 °C | 13.6 °C | 232.92 mm |
| May | 6.7 °C | 17.2 °C | 121.41 mm |
| June | 8.9 °C | 19.4 °C | 93.22 mm |
| July | 10.6 °C | 22.1 °C | 50.04 mm |
| August | 10.8 °C | 22.9 °C | 67.06 mm |
| September | 9.3 °C | 20.7 °C | 115.06 mm |
| October | 6.6 °C | 15.4 °C | 282.45 mm |
| November | 3.9 °C | 10.3 °C | 447.29 mm |
| December | 2.1 °C | 7.6 °C | 432.56 mm |
| Annual | 5.9 °C | 14.8 °C | 2947.67 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone - 2023 | 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 |