Valley Head, West Virginia has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.2 °C (low) to 15.7 °C (high). Annual precipitation averages 1316.7 Millimeters. Valley Head is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.7 °C | 2.9 °C | 98.55 mm |
| February | -6.4 °C | 5.1 °C | 77.98 mm |
| March | -2.9 °C | 9.6 °C | 105.16 mm |
| April | 2.2 °C | 16.7 °C | 111.25 mm |
| May | 7.5 °C | 20.9 °C | 136.14 mm |
| June | 11.9 °C | 24.6 °C | 139.19 mm |
| July | 14.2 °C | 26.2 °C | 179.83 mm |
| August | 13.3 °C | 25.8 °C | 113.03 mm |
| September | 9.8 °C | 22.9 °C | 91.44 mm |
| October | 3.4 °C | 17.3 °C | 82.3 mm |
| November | -1.9 °C | 10.5 °C | 82.55 mm |
| December | -5.1 °C | 5.4 °C | 99.31 mm |
| Annual | 3.2 °C | 15.7 °C | 1316.73 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |