| 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 |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| 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: | 55c - Mad River Interlobate Area |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 45323 - Enon, OH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 18 | 21 | 30 | 39 | 50 | 59 | 63 | 61 | 53 | 42 | 33 | 24 | 41 |
| Avg Max Temp (°F) | 34 | 39 | 50 | 61 | 72 | 81 | 85 | 83 | 77 | 64 | 51 | 39 | 61 |
| Avg Precip (In.) | 2.46 | 2.18 | 2.92 | 3.66 | 4.26 | 4.38 | 4.07 | 3.93 | 3.01 | 2.73 | 3.21 | 2.87 | 39.68 |