| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 55b - Loamy High Lime Till Plains |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 45320 - Eaton, OH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 16 | 19 | 28 | 37 | 48 | 57 | 61 | 59 | 52 | 40 | 31 | 22 | 39 |
| Avg Max Temp (°F) | 34 | 38 | 49 | 61 | 72 | 81 | 85 | 83 | 77 | 65 | 51 | 39 | 61 |
| Avg Precip (In.) | 2.58 | 2.28 | 3.24 | 3.96 | 4.69 | 3.93 | 3.87 | 3.4 | 2.66 | 2.79 | 3.38 | 3.03 | 39.8 |