Tazewell, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46 °F (low) to 67.9 °F (high). Annual precipitation averages 54 Inches. Tazewell is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 26.5 °F | 45.7 °F | 4.73 in. |
| February | 29.7 °F | 50.1 °F | 4.94 in. |
| March | 35.5 °F | 59.3 °F | 5.17 in. |
| April | 44.3 °F | 69.6 °F | 5.14 in. |
| May | 53.8 °F | 76.8 °F | 4.34 in. |
| June | 61.7 °F | 83.1 °F | 4.96 in. |
| July | 65.8 °F | 86.2 °F | 5.11 in. |
| August | 64.5 °F | 85.5 °F | 3.7 in. |
| September | 58.0 °F | 81.1 °F | 3.73 in. |
| October | 46.0 °F | 70.4 °F | 2.94 in. |
| November | 35.6 °F | 58.5 °F | 3.89 in. |
| December | 30.0 °F | 48.8 °F | 5.36 in. |
| Annual | 46 °F | 67.9 °F | 54.01 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |