Fort Ashby, West Virginia has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.6 °F (low) to 65.5 °F (high). Annual precipitation averages 39.3 Inches. Fort Ashby is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 23.1 °F | 40.9 °F | 2.67 in. |
| February | 24.7 °F | 45.0 °F | 2.42 in. |
| March | 31.2 °F | 53.9 °F | 3.42 in. |
| April | 40.4 °F | 66.9 °F | 3.44 in. |
| May | 50.0 °F | 75.5 °F | 4.3 in. |
| June | 59.1 °F | 83.2 °F | 4.05 in. |
| July | 63.2 °F | 87.6 °F | 3.61 in. |
| August | 61.6 °F | 86.0 °F | 3.29 in. |
| September | 54.5 °F | 79.4 °F | 3.58 in. |
| October | 42.5 °F | 67.7 °F | 2.87 in. |
| November | 33.0 °F | 55.1 °F | 2.58 in. |
| December | 27.3 °F | 44.5 °F | 3.03 in. |
| Annual | 42.6 °F | 65.5 °F | 39.26 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |