Bolt, West Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 41.7 °F (low) to 63.1 °F (high). Annual precipitation averages 52 Inches. Bolt 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 | 23.1 °F | 41.3 °F | 3.91 in. |
| February | 24.9 °F | 45.0 °F | 3.68 in. |
| March | 31.1 °F | 53.2 °F | 4.94 in. |
| April | 40.1 °F | 65.2 °F | 4.6 in. |
| May | 49.4 °F | 72.5 °F | 5.47 in. |
| June | 57.4 °F | 78.8 °F | 4.82 in. |
| July | 61.1 °F | 81.7 °F | 5.85 in. |
| August | 59.8 °F | 80.8 °F | 4.44 in. |
| September | 53.5 °F | 75.5 °F | 3.64 in. |
| October | 41.6 °F | 65.0 °F | 3.05 in. |
| November | 32.0 °F | 54.2 °F | 3.24 in. |
| December | 26.9 °F | 44.3 °F | 4.39 in. |
| Annual | 41.7 °F | 63.1 °F | 52.03 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 100-125 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 | Cfa - Humid Subtropical Climate |