Hayesville, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.7 °F (low) to 59.6 °F (high). Annual precipitation averages 40.6 Inches. Hayesville is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 17.5 °F | 33.4 °F | 3.01 in. |
| February | 18.9 °F | 36.2 °F | 2.22 in. |
| March | 26.9 °F | 46.0 °F | 2.96 in. |
| April | 37.7 °F | 60.0 °F | 3.77 in. |
| May | 48.6 °F | 70.6 °F | 4.31 in. |
| June | 57.8 °F | 79.2 °F | 4.68 in. |
| July | 61.0 °F | 82.7 °F | 4.11 in. |
| August | 59.3 °F | 81.4 °F | 3.61 in. |
| September | 52.2 °F | 75.3 °F | 3.25 in. |
| October | 41.2 °F | 62.7 °F | 3.01 in. |
| November | 31.6 °F | 49.3 °F | 2.88 in. |
| December | 23.5 °F | 38.0 °F | 2.79 in. |
| Annual | 39.7 °F | 59.6 °F | 40.6 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |