Brush Fork, West Virginia has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 41.5 °F (low) to 63.3 °F (high). Annual precipitation averages 44.6 Inches. Brush Fork 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 | 22.7 °F | 41.5 °F | 3.66 in. |
| February | 24.9 °F | 45.1 °F | 3.32 in. |
| March | 30.9 °F | 53.7 °F | 4.22 in. |
| April | 39.7 °F | 64.9 °F | 4.14 in. |
| May | 49.1 °F | 72.5 °F | 4.64 in. |
| June | 56.9 °F | 78.6 °F | 3.95 in. |
| July | 60.9 °F | 81.7 °F | 4.59 in. |
| August | 59.8 °F | 80.9 °F | 3.35 in. |
| September | 53.4 °F | 76.0 °F | 3.38 in. |
| October | 41.7 °F | 65.2 °F | 2.91 in. |
| November | 31.4 °F | 54.5 °F | 2.73 in. |
| December | 26.3 °F | 44.9 °F | 3.68 in. |
| Annual | 41.5 °F | 63.3 °F | 44.57 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 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |