Coalton, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.9 °F (low) to 64 °F (high). Annual precipitation averages 44.2 Inches. Coalton 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 | 22.1 °F | 39.2 °F | 3.28 in. |
| February | 24.1 °F | 43.2 °F | 3.13 in. |
| March | 31.4 °F | 53.1 °F | 4.03 in. |
| April | 41.6 °F | 66.0 °F | 3.99 in. |
| May | 51.4 °F | 74.3 °F | 4.41 in. |
| June | 60.1 °F | 81.7 °F | 4.51 in. |
| July | 64.0 °F | 84.7 °F | 4.5 in. |
| August | 62.1 °F | 83.8 °F | 3.38 in. |
| September | 54.8 °F | 78.0 °F | 3.51 in. |
| October | 42.9 °F | 66.1 °F | 3.14 in. |
| November | 33.3 °F | 54.0 °F | 2.92 in. |
| December | 26.9 °F | 43.4 °F | 3.43 in. |
| Annual | 42.9 °F | 64 °F | 44.23 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 6b : -5°F to 0°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 |