| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 67f - Southern Limestone/Dolomite Valleys and Low Rolling Hills |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 37641 - Chuckey, TN | 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 | 41 | 33 | 26 | 42 |
| Avg Max Temp (°F) | 46 | 51 | 60 | 68 | 76 | 83 | 86 | 85 | 80 | 70 | 60 | 50 | 68 |
| Avg Precip (In.) | 3.72 | 3.45 | 4.22 | 3.63 | 4.54 | 4.15 | 4.74 | 3.69 | 3.24 | 2.37 | 3.04 | 3.38 | 44.17 |