| 2023 Hardiness Zone: | 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: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 40744 - London, KY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 24 | 26 | 34 | 41 | 51 | 59 | 64 | 62 | 56 | 43 | 34 | 27 | 43 |
| Avg Max Temp (°F) | 43 | 49 | 58 | 68 | 75 | 83 | 86 | 85 | 79 | 69 | 58 | 47 | 67 |
| Avg Precip (In.) | 4.12 | 3.76 | 4.72 | 4.03 | 4.96 | 4.44 | 4.63 | 3.7 | 3.57 | 2.98 | 4.06 | 4.33 | 49.3 |