Forest, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 44.9 °F (low) to 67.3 °F (high). Annual precipitation averages 44.4 Inches. Forest is located in USDA Plant Hardiness Zone 7b. 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 | 25.7 °F | 46.3 °F | 3.57 in. |
| February | 27.3 °F | 49.9 °F | 2.82 in. |
| March | 33.8 °F | 58.2 °F | 3.58 in. |
| April | 43.3 °F | 68.6 °F | 3.88 in. |
| May | 52.9 °F | 75.4 °F | 4.3 in. |
| June | 61.2 °F | 82.7 °F | 3.99 in. |
| July | 65.4 °F | 86.3 °F | 4.0 in. |
| August | 63.8 °F | 84.7 °F | 3.19 in. |
| September | 57.0 °F | 78.7 °F | 4.33 in. |
| October | 44.8 °F | 69.0 °F | 3.7 in. |
| November | 34.6 °F | 58.9 °F | 3.31 in. |
| December | 28.7 °F | 49.4 °F | 3.73 in. |
| Annual | 44.9 °F | 67.3 °F | 44.4 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 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |