Crumpler, West Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 41.6 °F (low) to 62.8 °F (high). Annual precipitation averages 50.6 Inches. Crumpler is located in USDA Plant Hardiness Zone 6b. 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 | 22.9 °F | 41.2 °F | 3.81 in. |
| February | 25.0 °F | 44.7 °F | 3.58 in. |
| March | 30.9 °F | 52.9 °F | 4.59 in. |
| April | 39.9 °F | 64.5 °F | 4.7 in. |
| May | 49.1 °F | 72.1 °F | 5.42 in. |
| June | 56.9 °F | 78.1 °F | 5.22 in. |
| July | 60.7 °F | 81.1 °F | 5.82 in. |
| August | 59.4 °F | 80.4 °F | 3.76 in. |
| September | 53.4 °F | 75.3 °F | 3.44 in. |
| October | 41.8 °F | 65.0 °F | 3.12 in. |
| November | 31.9 °F | 54.1 °F | 3.05 in. |
| December | 26.7 °F | 44.5 °F | 4.06 in. |
| Annual | 41.6 °F | 62.8 °F | 50.57 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 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 | Cfa - Humid Subtropical Climate |