Greenville, West Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 44.9 °F (low) to 67.7 °F (high). Annual precipitation averages 50.7 Inches. Greenville 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 | 24.9 °F | 44.3 °F | 3.7 in. |
| February | 27.5 °F | 48.8 °F | 3.42 in. |
| March | 33.3 °F | 57.6 °F | 4.23 in. |
| April | 42.6 °F | 70.2 °F | 4.7 in. |
| May | 52.8 °F | 77.4 °F | 5.27 in. |
| June | 61.4 °F | 84.3 °F | 5.14 in. |
| July | 65.5 °F | 87.2 °F | 5.89 in. |
| August | 64.6 °F | 86.1 °F | 4.45 in. |
| September | 57.6 °F | 80.8 °F | 3.5 in. |
| October | 45.1 °F | 69.7 °F | 3.16 in. |
| November | 34.1 °F | 57.7 °F | 3.11 in. |
| December | 28.8 °F | 47.7 °F | 4.13 in. |
| Annual | 44.9 °F | 67.7 °F | 50.7 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |