| 2023 Hardiness Zone: | Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°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: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 69d - Dissected Appalachian Plateau |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 41653 - Prestonsburg, KY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 21 | 23 | 30 | 39 | 48 | 57 | 62 | 61 | 54 | 40 | 32 | 25 | 41 |
| Avg Max Temp (°F) | 43 | 48 | 59 | 69 | 77 | 84 | 87 | 86 | 80 | 70 | 58 | 48 | 67 |
| Avg Precip (In.) | 3.35 | 3.26 | 3.91 | 3.56 | 4.54 | 4.29 | 4.56 | 3.94 | 3.31 | 2.92 | 3.42 | 3.6 | 44.65 |