Zanesfield, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41 °F (low) to 59.8 °F (high). Annual precipitation averages 43.2 Inches. 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 | 18.0 °F | 33.2 °F | 3.04 in. |
| February | 20.3 °F | 36.8 °F | 2.4 in. |
| March | 28.7 °F | 47.1 °F | 3.26 in. |
| April | 38.9 °F | 60.2 °F | 4.24 in. |
| May | 50.4 °F | 70.8 °F | 4.45 in. |
| June | 59.8 °F | 79.4 °F | 4.88 in. |
| July | 62.5 °F | 82.5 °F | 4.62 in. |
| August | 61.1 °F | 81.2 °F | 3.76 in. |
| September | 54.1 °F | 75.8 °F | 3.32 in. |
| October | 42.5 °F | 63.4 °F | 2.9 in. |
| November | 32.1 °F | 49.5 °F | 3.17 in. |
| December | 23.8 °F | 38.1 °F | 3.11 in. |
| Annual | 41 °F | 59.8 °F | 43.15 in. |
| 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 : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |