Clifton Forge, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 43 °F (low) to 67.2 °F (high). Annual precipitation averages 41.3 Inches. Clifton Forge is located in USDA Plant Hardiness Zone 7a. 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 | 24.2 °F | 44.3 °F | 3.06 in. |
| February | 25.9 °F | 48.6 °F | 2.79 in. |
| March | 32.0 °F | 57.2 °F | 3.71 in. |
| April | 41.2 °F | 69.1 °F | 3.72 in. |
| May | 50.5 °F | 76.7 °F | 4.11 in. |
| June | 59.0 °F | 83.4 °F | 4.37 in. |
| July | 62.9 °F | 87.0 °F | 3.63 in. |
| August | 61.9 °F | 85.4 °F | 3.14 in. |
| September | 55.3 °F | 79.5 °F | 3.35 in. |
| October | 43.3 °F | 69.3 °F | 3.07 in. |
| November | 32.6 °F | 58.0 °F | 2.99 in. |
| December | 27.1 °F | 48.0 °F | 3.34 in. |
| Annual | 43 °F | 67.2 °F | 41.28 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |