| 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. 11 - Apr. 20 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 71g - Eastern Highland Rim |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 42539 - Liberty, KY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 24 | 26 | 34 | 42 | 51 | 60 | 65 | 63 | 56 | 43 | 35 | 28 | 44 |
| Avg Max Temp (°F) | 43 | 48 | 58 | 68 | 76 | 83 | 87 | 86 | 80 | 69 | 57 | 47 | 67 |
| Avg Precip (In.) | 4.26 | 4.06 | 4.99 | 4.12 | 5.57 | 4.68 | 4.84 | 4.28 | 4.2 | 3.29 | 4.27 | 4.86 | 53.42 |