Buckhannon, West Virginia has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 41.2 °F (low) to 63.4 °F (high). Annual precipitation averages 49.6 Inches. Buckhannon 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 | 21.4 °F | 40.1 °F | 3.69 in. |
| February | 23.0 °F | 43.5 °F | 3.41 in. |
| March | 29.5 °F | 52.3 °F | 4.18 in. |
| April | 39.2 °F | 65.1 °F | 3.96 in. |
| May | 49.2 °F | 72.9 °F | 5.28 in. |
| June | 57.8 °F | 80.2 °F | 5.08 in. |
| July | 61.8 °F | 83.3 °F | 5.62 in. |
| August | 60.3 °F | 82.5 °F | 4.09 in. |
| September | 53.3 °F | 77.2 °F | 3.51 in. |
| October | 41.4 °F | 65.9 °F | 3.81 in. |
| November | 31.8 °F | 54.0 °F | 3.11 in. |
| December | 26.2 °F | 44.3 °F | 3.88 in. |
| Annual | 41.2 °F | 63.4 °F | 49.62 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 | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |