Powhatan Point, Ohio has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 5.8 °C (low) to 17.4 °C (high). Annual precipitation averages 1189.5 Millimeters. Powhatan Point 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 | -5.7 °C | 3.6 °C | 93.47 mm |
| February | -4.8 °C | 5.4 °C | 82.04 mm |
| March | -1.1 °C | 10.7 °C | 103.89 mm |
| April | 4.6 °C | 18.1 °C | 101.6 mm |
| May | 10.2 °C | 23.1 °C | 121.16 mm |
| June | 15.2 °C | 27.4 °C | 120.9 mm |
| July | 17.6 °C | 29.3 °C | 113.54 mm |
| August | 16.7 °C | 28.7 °C | 97.54 mm |
| September | 12.8 °C | 25.4 °C | 97.28 mm |
| October | 6.3 °C | 18.8 °C | 83.82 mm |
| November | 0.8 °C | 11.9 °C | 82.8 mm |
| December | -2.8 °C | 6.1 °C | 91.44 mm |
| Annual | 5.8 °C | 17.4 °C | 1189.48 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 |