Crab Orchard, 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 61.7 °F (high). Annual precipitation averages 44.4 Inches. Crab Orchard 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 | 21.7 °F | 40.0 °F | 3.09 in. |
| February | 23.6 °F | 43.5 °F | 2.97 in. |
| March | 29.7 °F | 51.8 °F | 3.94 in. |
| April | 39.1 °F | 63.5 °F | 3.96 in. |
| May | 48.3 °F | 70.9 °F | 4.8 in. |
| June | 56.2 °F | 77.1 °F | 4.23 in. |
| July | 60.0 °F | 80.1 °F | 5.26 in. |
| August | 58.6 °F | 79.2 °F | 3.68 in. |
| September | 52.4 °F | 74.0 °F | 3.4 in. |
| October | 41.0 °F | 63.8 °F | 2.65 in. |
| November | 30.9 °F | 53.1 °F | 2.75 in. |
| December | 25.8 °F | 43.3 °F | 3.65 in. |
| Annual | 40.6 °F | 61.7 °F | 44.38 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 |