| 2023 Hardiness Zone: | 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. 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: | Rare Over 86°F |
Annual Climate Data for ZIP Code 38571 - Crossville, TN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 24 | 27 | 35 | 43 | 51 | 59 | 63 | 62 | 56 | 43 | 36 | 28 | 44 |
| Avg Max Temp (°F) | 43 | 48 | 57 | 66 | 74 | 81 | 84 | 83 | 78 | 68 | 57 | 47 | 65 |
| Avg Precip (In.) | 5.42 | 4.57 | 6.12 | 4.66 | 5.64 | 4.77 | 4.96 | 4.03 | 3.91 | 3.49 | 5.17 | 5.63 | 58.38 |