Eaton, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.5 °C (low) to 16.6 °C (high). Annual precipitation averages 1075.9 Millimeters. Eaton 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 | -7.1 °C | 1.9 °C | 78.99 mm |
| February | -5.7 °C | 4.2 °C | 62.48 mm |
| March | -1.2 °C | 9.9 °C | 87.63 mm |
| April | 4.6 °C | 17.1 °C | 115.06 mm |
| May | 10.8 °C | 22.4 °C | 119.89 mm |
| June | 15.8 °C | 27.2 °C | 119.13 mm |
| July | 17.4 °C | 28.8 °C | 101.35 mm |
| August | 16.3 °C | 28.3 °C | 75.95 mm |
| September | 12.2 °C | 25.2 °C | 72.64 mm |
| October | 6 °C | 18.6 °C | 78.99 mm |
| November | 0.5 °C | 10.9 °C | 80.52 mm |
| December | -3.9 °C | 4.5 °C | 83.31 mm |
| Annual | 5.5 °C | 16.6 °C | 1075.94 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 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |