Amesville, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.8 °C (low) to 17.7 °C (high). Annual precipitation averages 1092.2 Millimeters. Amesville 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 | -6.8 °C | 3.6 °C | 83.06 mm |
| February | -6.2 °C | 5.6 °C | 72.9 mm |
| March | -2.2 °C | 10.8 °C | 99.06 mm |
| April | 3.9 °C | 18.9 °C | 98.3 mm |
| May | 9.7 °C | 23.6 °C | 105.66 mm |
| June | 14.8 °C | 27.8 °C | 112.78 mm |
| July | 16.5 °C | 29.6 °C | 110.74 mm |
| August | 16.2 °C | 29.3 °C | 82.3 mm |
| September | 11.4 °C | 25.3 °C | 89.92 mm |
| October | 4.4 °C | 19.1 °C | 78.23 mm |
| November | -0.1 °C | 12.5 °C | 75.44 mm |
| December | -3.5 °C | 6.5 °C | 83.82 mm |
| Annual | 4.8 °C | 17.7 °C | 1092.21 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 6b : -20.6°C to -17.8°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 |