| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F | |
| Average First Frost Date: | Oct. 21 - Oct. 31 | |
| Average Last Frost Date: | Apr. 11 - Apr. 20 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 67f - Southern Limestone/Dolomite Valleys and Low Rolling Hills | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 37854 - Rockwood, TN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 25 | 27 | 34 | 42 | 51 | 60 | 65 | 63 | 57 | 44 | 35 | 28 | 44 |
| Avg Max Temp (°F) | 45 | 50 | 59 | 69 | 76 | 83 | 87 | 86 | 80 | 70 | 59 | 49 | 68 |
| Avg Precip (In.) | 5.65 | 4.81 | 6.01 | 4.57 | 5.51 | 5 | 5.41 | 4.18 | 3.86 | 3.42 | 5.07 | 5.69 | 59.2 |