Zanesfield, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5 °C (low) to 15.5 °C (high). Annual precipitation averages 1096 Millimeters. Zanesfield is located in USDA Plant Hardiness Zone 6a. 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 | -7.8 °C | 0.7 °C | 77.22 mm |
| February | -6.5 °C | 2.7 °C | 60.96 mm |
| March | -1.8 °C | 8.4 °C | 82.8 mm |
| April | 3.8 °C | 15.7 °C | 107.7 mm |
| May | 10.2 °C | 21.6 °C | 113.03 mm |
| June | 15.4 °C | 26.3 °C | 123.95 mm |
| July | 16.9 °C | 28.1 °C | 117.35 mm |
| August | 16.2 °C | 27.3 °C | 95.5 mm |
| September | 12.3 °C | 24.3 °C | 84.33 mm |
| October | 5.8 °C | 17.4 °C | 73.66 mm |
| November | 0.1 °C | 9.7 °C | 80.52 mm |
| December | -4.6 °C | 3.4 °C | 78.99 mm |
| Annual | 5 °C | 15.5 °C | 1096.01 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 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |