Newell, West Virginia has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 42 °F (low) to 61.8 °F (high). Annual precipitation averages 41.3 Inches. Newell 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 | 21.2 °F | 36.9 °F | 3.18 in. |
| February | 22.4 °F | 39.9 °F | 2.42 in. |
| March | 29.5 °F | 49.1 °F | 3.32 in. |
| April | 39.4 °F | 62.8 °F | 3.71 in. |
| May | 49.7 °F | 72.2 °F | 3.91 in. |
| June | 58.5 °F | 80.3 °F | 4.35 in. |
| July | 63.0 °F | 83.9 °F | 4.24 in. |
| August | 61.5 °F | 82.6 °F | 3.55 in. |
| September | 54.9 °F | 76.4 °F | 3.6 in. |
| October | 43.7 °F | 64.2 °F | 3.03 in. |
| November | 34.0 °F | 51.8 °F | 2.89 in. |
| December | 26.7 °F | 41.3 °F | 3.11 in. |
| Annual | 42 °F | 61.8 °F | 41.31 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 | Dfb - Humid Continental Mild Summer, Wet All Year |