Glen White, West Virginia has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 40.6 °F (low) to 62.1 °F (high). Annual precipitation averages 46.6 Inches. Glen White is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.8 °F | 40.3 °F | 3.41 in. |
| February | 23.7 °F | 43.8 °F | 3.22 in. |
| March | 29.8 °F | 52.1 °F | 4.14 in. |
| April | 38.9 °F | 64.1 °F | 4.21 in. |
| May | 48.2 °F | 71.4 °F | 5.0 in. |
| June | 56.2 °F | 77.5 °F | 4.43 in. |
| July | 60.0 °F | 80.5 °F | 5.35 in. |
| August | 58.6 °F | 79.6 °F | 3.88 in. |
| September | 52.4 °F | 74.5 °F | 3.44 in. |
| October | 40.8 °F | 64.1 °F | 2.81 in. |
| November | 30.9 °F | 53.4 °F | 2.9 in. |
| December | 25.8 °F | 43.6 °F | 3.82 in. |
| Annual | 40.6 °F | 62.1 °F | 46.61 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |