Bradley, West Virginia has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 5.5 °C (low) to 16.6 °C (high). Annual precipitation averages 1204.7 Millimeters. Bradley is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.2 °C | 4.3 °C | 85.6 mm |
| February | -4.2 °C | 6.3 °C | 82.8 mm |
| March | -0.6 °C | 10.9 °C | 109.98 mm |
| April | 4.8 °C | 17.7 °C | 107.19 mm |
| May | 9.8 °C | 21.8 °C | 125.73 mm |
| June | 14.1 °C | 25.2 °C | 121.41 mm |
| July | 16.2 °C | 26.9 °C | 133.6 mm |
| August | 15.5 °C | 26.4 °C | 100.08 mm |
| September | 12.2 °C | 23.6 °C | 91.44 mm |
| October | 5.8 °C | 17.8 °C | 73.41 mm |
| November | 0.3 °C | 11.7 °C | 75.69 mm |
| December | -2.9 °C | 6.3 °C | 97.79 mm |
| Annual | 5.5 °C | 16.6 °C | 1204.72 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |