| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.6 °C | 5.4 °C | 122.94 mm |
| February | -3.1 °C | 7.2 °C | 98.04 mm |
| March | -0.3 °C | 10.9 °C | 126.24 mm |
| April | 4.6 °C | 16.7 °C | 141.22 mm |
| May | 9.5 °C | 20.8 °C | 131.06 mm |
| June | 13.8 °C | 24.6 °C | 129.03 mm |
| July | 15.8 °C | 26.1 °C | 141.99 mm |
| August | 15.1 °C | 25.2 °C | 128.78 mm |
| September | 11.4 °C | 22.4 °C | 134.37 mm |
| October | 5.6 °C | 17.4 °C | 109.22 mm |
| November | 0.1 °C | 11.9 °C | 110.74 mm |
| December | -2.6 °C | 7.3 °C | 116.59 mm |
| Annual | 5.4 °C | 16.3 °C | 1490.22 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone - 2023 | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfb - Temperate Oceanic Climate |