Tazewell, Virginia has a Temperate Oceanic Climate climate (Köppen classification: Cfb). Average annual temperatures range from 5.6 °C (low) to 17.3 °C (high). Annual precipitation averages 1247.9 Millimeters. Tazewell is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.8 °C | 5.3 °C | 107.19 mm |
| February | -3.6 °C | 7.3 °C | 81.28 mm |
| March | -0.2 °C | 11.9 °C | 126.24 mm |
| April | 4.8 °C | 17.8 °C | 106.68 mm |
| May | 9.8 °C | 22.2 °C | 134.62 mm |
| June | 14.2 °C | 25.8 °C | 132.33 mm |
| July | 16.2 °C | 27.4 °C | 117.86 mm |
| August | 15.5 °C | 27.1 °C | 98.81 mm |
| September | 12.2 °C | 24.3 °C | 87.38 mm |
| October | 5.6 °C | 18.5 °C | 75.69 mm |
| November | 0.1 °C | 12.6 °C | 82.8 mm |
| December | -2.8 °C | 7.3 °C | 97.03 mm |
| Annual | 5.6 °C | 17.3 °C | 1247.91 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfb - Temperate Oceanic Climate |