Belington, West Virginia has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 39.9 °F (low) to 62.5 °F (high). Annual precipitation averages 51.2 Inches. Belington is located in USDA Plant Hardiness Zone 6a. 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 | 20.1 °F | 39.4 °F | 3.82 in. |
| February | 21.8 °F | 43.0 °F | 3.74 in. |
| March | 28.3 °F | 51.5 °F | 4.41 in. |
| April | 37.9 °F | 64.0 °F | 4.39 in. |
| May | 47.7 °F | 71.7 °F | 5.44 in. |
| June | 56.3 °F | 78.7 °F | 5.27 in. |
| July | 60.4 °F | 82.1 °F | 5.65 in. |
| August | 59.0 °F | 81.2 °F | 3.91 in. |
| September | 52.0 °F | 76.0 °F | 3.76 in. |
| October | 39.9 °F | 65.1 °F | 3.48 in. |
| November | 30.4 °F | 53.3 °F | 3.05 in. |
| December | 24.8 °F | 43.5 °F | 4.26 in. |
| Annual | 39.9 °F | 62.5 °F | 51.18 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 6a : -10°F to -5°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 |