Bramwell, West Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 5.4 °C (low) to 17.5 °C (high). Annual precipitation averages 1164.3 Millimeters. Bramwell 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 | -5.1 °C | 5.4 °C | 91.69 mm |
| February | -3.8 °C | 7.5 °C | 84.07 mm |
| March | -0.6 °C | 12.2 °C | 108.2 mm |
| April | 4.4 °C | 18.4 °C | 108.46 mm |
| May | 9.7 °C | 22.7 °C | 123.19 mm |
| June | 14.1 °C | 26.1 °C | 112.01 mm |
| July | 16.2 °C | 27.7 °C | 123.7 mm |
| August | 15.6 °C | 27.3 °C | 86.87 mm |
| September | 12.1 °C | 24.6 °C | 85.34 mm |
| October | 5.5 °C | 18.6 °C | 74.17 mm |
| November | -0.1 °C | 12.7 °C | 70.87 mm |
| December | -3 °C | 7.3 °C | 95.76 mm |
| Annual | 5.4 °C | 17.5 °C | 1164.33 mm |
| 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 : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |