| 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 6b: -5F to 0F |
| 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: | 70f - Ohio/Kentucky Carboniferous Plateau |
| Heat Zone Days: | 8 - 14 days Over 86°F |
Annual Climate Data for ZIP Code 41230 - Louisa, KY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 22 | 24 | 32 | 40 | 49 | 58 | 63 | 62 | 55 | 42 | 33 | 26 | 42 |
| Avg Max Temp (°F) | 42 | 46 | 57 | 67 | 76 | 83 | 86 | 85 | 79 | 68 | 56 | 46 | 66 |
| Avg Precip (In.) | 3.24 | 3.08 | 3.77 | 3.45 | 4.67 | 4.1 | 4.57 | 3.83 | 3.14 | 2.83 | 3.38 | 3.45 | 43.51 |