| 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 6b: -5F to 0F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 68c - Plateau Escarpment |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 42653 - Whitley City, KY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 23 | 26 | 33 | 40 | 49 | 58 | 63 | 61 | 54 | 42 | 34 | 27 | 42 |
| Avg Max Temp (°F) | 44 | 49 | 59 | 68 | 76 | 83 | 86 | 85 | 79 | 69 | 58 | 48 | 67 |
| Avg Precip (In.) | 4.31 | 3.91 | 4.77 | 3.74 | 5.28 | 4.55 | 4.38 | 3.83 | 3.87 | 3.23 | 4.3 | 4.79 | 50.99 |