| 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: | 68a - Cumberland Plateau |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 40741 - London, KY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 24 | 27 | 35 | 42 | 51 | 60 | 65 | 63 | 56 | 43 | 35 | 28 | 44 |
| Avg Max Temp (°F) | 43 | 49 | 58 | 67 | 75 | 82 | 86 | 85 | 79 | 68 | 57 | 47 | 66 |
| Avg Precip (In.) | 4.03 | 3.72 | 4.63 | 4.01 | 4.8 | 4.33 | 4.47 | 3.47 | 3.45 | 2.89 | 3.95 | 4.33 | 48.1 |