Chesterhill, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.9 °F (low) to 62.6 °F (high). Annual precipitation averages 43.1 Inches. Chesterhill 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 | 20.0 °F | 37.8 °F | 3.29 in. |
| February | 22.0 °F | 41.2 °F | 2.8 in. |
| March | 29.2 °F | 51.3 °F | 3.81 in. |
| April | 39.4 °F | 64.4 °F | 3.84 in. |
| May | 49.3 °F | 72.7 °F | 4.24 in. |
| June | 57.8 °F | 80.3 °F | 4.52 in. |
| July | 61.9 °F | 83.6 °F | 4.46 in. |
| August | 59.7 °F | 82.9 °F | 3.37 in. |
| September | 52.6 °F | 76.7 °F | 3.58 in. |
| October | 41.3 °F | 65.0 °F | 3.01 in. |
| November | 31.8 °F | 53.0 °F | 2.98 in. |
| December | 25.2 °F | 42.2 °F | 3.24 in. |
| Annual | 40.9 °F | 62.6 °F | 43.14 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 |