Whitesville, West Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.3 °C (low) to 18.7 °C (high). Annual precipitation averages 1241.1 Millimeters. Whitesville 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 | -4.5 °C | 5.9 °C | 91.19 mm |
| February | -3.3 °C | 8.1 °C | 85.09 mm |
| March | 0.1 °C | 12.9 °C | 112.52 mm |
| April | 5.2 °C | 19.9 °C | 107.7 mm |
| May | 10.6 °C | 24.1 °C | 131.57 mm |
| June | 15.3 °C | 27.8 °C | 117.09 mm |
| July | 17.4 °C | 29.4 °C | 142.24 mm |
| August | 16.9 °C | 28.9 °C | 107.7 mm |
| September | 13.2 °C | 26.1 °C | 89.41 mm |
| October | 6.3 °C | 20 °C | 75.95 mm |
| November | 0.7 °C | 13.3 °C | 77.22 mm |
| December | -2.2 °C | 7.9 °C | 103.38 mm |
| Annual | 6.3 °C | 18.7 °C | 1241.06 mm |
| 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 : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |