Cedar Grove, West Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 44.4 °F (low) to 66.1 °F (high). Annual precipitation averages 46.9 Inches. Cedar Grove is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 24.5 °F | 43.1 °F | 3.19 in. |
| February | 26.6 °F | 46.9 °F | 3.05 in. |
| March | 32.8 °F | 56.0 °F | 4.32 in. |
| April | 42.6 °F | 68.2 °F | 3.81 in. |
| May | 52.4 °F | 75.4 °F | 4.93 in. |
| June | 60.7 °F | 82.4 °F | 4.52 in. |
| July | 64.5 °F | 85.3 °F | 5.72 in. |
| August | 63.6 °F | 84.6 °F | 4.01 in. |
| September | 56.9 °F | 79.3 °F | 3.54 in. |
| October | 44.7 °F | 68.4 °F | 3.02 in. |
| November | 34.3 °F | 56.8 °F | 2.99 in. |
| December | 28.7 °F | 47.0 °F | 3.78 in. |
| Annual | 44.4 °F | 66.1 °F | 46.88 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |