New Cumberland, 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 62.1 °F (high). Annual precipitation averages 41.9 Inches. New Cumberland is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.3 °F | 37.0 °F | 3.27 in. |
| February | 22.5 °F | 40.2 °F | 2.49 in. |
| March | 29.5 °F | 49.3 °F | 3.51 in. |
| April | 39.4 °F | 63.4 °F | 3.75 in. |
| May | 49.7 °F | 72.6 °F | 3.96 in. |
| June | 58.5 °F | 80.5 °F | 4.51 in. |
| July | 63.0 °F | 84.0 °F | 4.34 in. |
| August | 61.6 °F | 83.0 °F | 3.57 in. |
| September | 55.1 °F | 76.8 °F | 3.46 in. |
| October | 43.9 °F | 64.7 °F | 3.03 in. |
| November | 34.0 °F | 51.9 °F | 2.9 in. |
| December | 26.7 °F | 41.4 °F | 3.13 in. |
| Annual | 42.1 °F | 62.1 °F | 41.92 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |