| 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. 11 - Oct. 20 | |
| Average Last Frost Date: | Apr. 21 - Apr. 30 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 70g - Northern Forested Plateau Escarpment | |
| Current Drought Status: | Abnormally Dry | |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 40313 - Clearfield, KY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 23 | 25 | 33 | 41 | 50 | 59 | 63 | 62 | 55 | 42 | 34 | 27 | 43 |
| Avg Max Temp (°F) | 42 | 48 | 58 | 68 | 76 | 83 | 86 | 85 | 79 | 69 | 57 | 47 | 67 |
| Avg Precip (In.) | 3.41 | 3.3 | 4.13 | 3.83 | 4.86 | 4.42 | 5.23 | 3.87 | 3.24 | 2.97 | 3.49 | 3.99 | 46.75 |