| 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. 21 - Oct. 31 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 71a - Crawford-Mammoth Cave Uplands |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 40143 - Hardinsburg, KY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 24 | 27 | 36 | 44 | 54 | 62 | 66 | 64 | 58 | 46 | 37 | 28 | 46 |
| Avg Max Temp (°F) | 41 | 47 | 58 | 68 | 76 | 84 | 87 | 86 | 80 | 70 | 56 | 46 | 67 |
| Avg Precip (In.) | 3.69 | 3.86 | 4.48 | 4.41 | 5.14 | 4.13 | 4.4 | 3.6 | 3.64 | 3.09 | 4.34 | 4.46 | 49.25 |