| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 55d - Pre-Wisconsinan Drift Plains |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 45697 - Winchester, OH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 20 | 23 | 32 | 41 | 51 | 60 | 64 | 62 | 55 | 43 | 34 | 25 | 43 |
| Avg Max Temp (°F) | 38 | 43 | 53 | 64 | 73 | 81 | 85 | 83 | 77 | 66 | 53 | 43 | 63 |
| Avg Precip (In.) | 3.01 | 2.86 | 3.9 | 3.91 | 4.71 | 4.18 | 4.27 | 4.15 | 3.21 | 2.81 | 3.41 | 3.35 | 43.79 |