| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°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: | 70f - Ohio/Kentucky Carboniferous Plateau |
| Heat Zone Days: | 8 - 14 days Over 86°F |
Annual Climate Data for ZIP Code 45640 - Jackson, OH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 19 | 21 | 29 | 37 | 48 | 57 | 61 | 60 | 52 | 39 | 31 | 24 | 40 |
| Avg Max Temp (°F) | 38 | 42 | 53 | 65 | 74 | 81 | 85 | 83 | 77 | 66 | 53 | 42 | 63 |
| Avg Precip (In.) | 2.9 | 2.84 | 3.8 | 3.39 | 4.13 | 4 | 4.2 | 3.96 | 3.1 | 2.57 | 3.08 | 3.24 | 41.22 |