| 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: | 71b - Mitchell Plain |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 40160 - Radcliff, KY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 23 | 26 | 35 | 43 | 52 | 61 | 65 | 63 | 56 | 44 | 36 | 27 | 44 |
| Avg Max Temp (°F) | 42 | 48 | 58 | 69 | 77 | 84 | 88 | 87 | 81 | 70 | 57 | 47 | 67 |
| Avg Precip (In.) | 3.67 | 3.9 | 4.55 | 4.33 | 5.07 | 4.23 | 4.48 | 3.57 | 3.61 | 3.04 | 4.18 | 4.58 | 49.22 |