Glen Fork, West Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 42.7 °F (low) to 64 °F (high). Annual precipitation averages 51.1 Inches. Glen 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 | 23.9 °F | 41.9 °F | 3.94 in. |
| February | 25.9 °F | 45.8 °F | 3.75 in. |
| March | 32.0 °F | 54.3 °F | 4.83 in. |
| April | 41.0 °F | 66.2 °F | 4.65 in. |
| May | 50.3 °F | 73.4 °F | 5.36 in. |
| June | 58.4 °F | 79.8 °F | 4.68 in. |
| July | 62.1 °F | 82.7 °F | 5.68 in. |
| August | 60.7 °F | 81.8 °F | 4.22 in. |
| September | 54.5 °F | 76.4 °F | 3.37 in. |
| October | 42.4 °F | 65.8 °F | 2.98 in. |
| November | 32.9 °F | 54.8 °F | 3.26 in. |
| December | 27.8 °F | 45.1 °F | 4.41 in. |
| Annual | 42.7 °F | 64 °F | 51.13 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 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 |