Coal Fork, West Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 44.1 °F (low) to 66.5 °F (high). Annual precipitation averages 46.8 Inches. Coal Fork is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 24.0 °F | 43.1 °F | 3.33 in. |
| February | 26.1 °F | 46.9 °F | 3.12 in. |
| March | 32.4 °F | 56.1 °F | 4.2 in. |
| April | 42.1 °F | 68.5 °F | 3.79 in. |
| May | 52.2 °F | 76.0 °F | 4.91 in. |
| June | 60.6 °F | 83.0 °F | 4.37 in. |
| July | 64.8 °F | 86.1 °F | 5.64 in. |
| August | 63.5 °F | 85.3 °F | 4.06 in. |
| September | 56.5 °F | 80.1 °F | 3.54 in. |
| October | 44.5 °F | 69.1 °F | 3.1 in. |
| November | 33.7 °F | 57.0 °F | 2.99 in. |
| December | 28.2 °F | 47.1 °F | 3.76 in. |
| Annual | 44.1 °F | 66.5 °F | 46.81 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |