| 2023 Hardiness Zone: | Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | 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: | 68a - Cumberland Plateau | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 38558 - Crossville, TN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 25 | 28 | 36 | 43 | 52 | 59 | 64 | 62 | 56 | 44 | 36 | 29 | 44 |
| Avg Max Temp (°F) | 43 | 48 | 57 | 66 | 74 | 80 | 84 | 83 | 77 | 67 | 56 | 47 | 65 |
| Avg Precip (In.) | 5.54 | 4.68 | 6.03 | 4.67 | 5.59 | 4.91 | 5.1 | 4.12 | 3.96 | 3.43 | 5.15 | 5.54 | 58.71 |