Belmont, West Virginia has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.1 °F (low) to 64.4 °F (high). Annual precipitation averages 46.2 Inches. Belmont is located in USDA Plant Hardiness Zone 6b. 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 | 21.5 °F | 39.8 °F | 3.42 in. |
| February | 23.2 °F | 43.4 °F | 3.2 in. |
| March | 30.0 °F | 53.0 °F | 4.17 in. |
| April | 39.8 °F | 66.3 °F | 3.81 in. |
| May | 50.0 °F | 74.5 °F | 4.72 in. |
| June | 59.3 °F | 82.0 °F | 4.82 in. |
| July | 63.6 °F | 85.3 °F | 4.91 in. |
| August | 62.2 °F | 84.5 °F | 3.95 in. |
| September | 54.9 °F | 78.6 °F | 3.59 in. |
| October | 42.4 °F | 66.9 °F | 3.02 in. |
| November | 32.3 °F | 54.8 °F | 3.05 in. |
| December | 26.3 °F | 43.9 °F | 3.5 in. |
| Annual | 42.1 °F | 64.4 °F | 46.16 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 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |