| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.1 °C | 8.1 °C | 78.23 mm |
| February | -1.5 °C | 10.4 °C | 67.31 mm |
| March | 2.9 °C | 15.2 °C | 106.93 mm |
| April | 7.8 °C | 20.2 °C | 131.57 mm |
| May | 13.2 °C | 24.2 °C | 155.45 mm |
| June | 18.2 °C | 28.7 °C | 122.94 mm |
| July | 20.3 °C | 31.4 °C | 102.36 mm |
| August | 19.4 °C | 31.3 °C | 92.2 mm |
| September | 15.1 °C | 27.3 °C | 114.81 mm |
| October | 8.7 °C | 21.3 °C | 109.73 mm |
| November | 3.1 °C | 14.8 °C | 112.01 mm |
| December | -1.6 °C | 9.4 °C | 87.63 mm |
| Annual | 8.5 °C | 20.2 °C | 1281.17 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |