Zoar, Ohio has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.8 °C (low) to 16.3 °C (high). Annual precipitation averages 1087.4 Millimeters. Zoar is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.9 °C | 1.9 °C | 77.98 mm |
| February | -6.3 °C | 3.6 °C | 61.21 mm |
| March | -2.1 °C | 9.1 °C | 84.07 mm |
| April | 3.6 °C | 16.7 °C | 95 mm |
| May | 9.6 °C | 22.3 °C | 106.17 mm |
| June | 14.5 °C | 26.8 °C | 129.54 mm |
| July | 16.6 °C | 28.8 °C | 114.81 mm |
| August | 15.6 °C | 28.1 °C | 99.06 mm |
| September | 11.5 °C | 24.7 °C | 84.07 mm |
| October | 5.3 °C | 17.9 °C | 84.33 mm |
| November | 0.2 °C | 10.7 °C | 74.68 mm |
| December | -3.8 °C | 4.6 °C | 76.45 mm |
| Annual | 4.8 °C | 16.3 °C | 1087.37 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |