New Richmond, West Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 42.7 °F (low) to 65.3 °F (high). Annual precipitation averages 48.5 Inches. New Richmond is located in USDA Plant Hardiness Zone 7a. 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 | 23.3 °F | 42.5 °F | 3.95 in. |
| February | 25.6 °F | 46.6 °F | 3.53 in. |
| March | 31.3 °F | 55.2 °F | 4.28 in. |
| April | 40.3 °F | 67.8 °F | 4.36 in. |
| May | 50.3 °F | 75.0 °F | 5.13 in. |
| June | 59.1 °F | 81.4 °F | 4.54 in. |
| July | 63.2 °F | 84.3 °F | 5.53 in. |
| August | 62.1 °F | 83.4 °F | 4.09 in. |
| September | 55.4 °F | 78.2 °F | 3.43 in. |
| October | 42.7 °F | 67.4 °F | 2.63 in. |
| November | 32.3 °F | 55.5 °F | 2.97 in. |
| December | 27.2 °F | 45.7 °F | 4.04 in. |
| Annual | 42.7 °F | 65.3 °F | 48.48 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 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |