Clintwood, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 41.9 °F (low) to 65 °F (high). Annual precipitation averages 49.5 Inches. Clintwood is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.4 °F | 42.6 °F | 3.89 in. |
| February | 24.9 °F | 46.7 °F | 4.0 in. |
| March | 31.2 °F | 55.9 °F | 4.31 in. |
| April | 39.9 °F | 67.5 °F | 4.69 in. |
| May | 49.4 °F | 74.5 °F | 5.06 in. |
| June | 58.2 °F | 80.5 °F | 5.09 in. |
| July | 61.9 °F | 83.3 °F | 5.36 in. |
| August | 60.9 °F | 82.1 °F | 3.93 in. |
| September | 54.3 °F | 77.7 °F | 3.33 in. |
| October | 41.8 °F | 67.1 °F | 2.91 in. |
| November | 31.3 °F | 55.7 °F | 2.82 in. |
| December | 26.3 °F | 46.5 °F | 4.11 in. |
| Annual | 41.9 °F | 65 °F | 49.5 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |