| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F 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: | 71g - Eastern Highland Rim |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 42718 - Campbellsville, KY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 25 | 28 | 36 | 44 | 53 | 62 | 66 | 64 | 57 | 45 | 37 | 29 | 45 |
| Avg Max Temp (°F) | 43 | 49 | 59 | 68 | 76 | 84 | 87 | 86 | 81 | 70 | 58 | 48 | 67 |
| Avg Precip (In.) | 4 | 4 | 4.8 | 4.9 | 5.54 | 4.49 | 4.79 | 4.52 | 4.71 | 3.05 | 3.97 | 4.98 | 53.76 |