Bluefield, West Virginia has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 5.6 °C (low) to 17.2 °C (high). Annual precipitation averages 1142.5 Millimeters. Bluefield is located in USDA Plant Hardiness Zone 6b. 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 °C | 5.1 °C | 94.49 mm |
| February | -3.7 °C | 7.1 °C | 85.34 mm |
| March | -0.4 °C | 11.8 °C | 108.2 mm |
| April | 4.6 °C | 18.1 °C | 105.66 mm |
| May | 9.8 °C | 22.3 °C | 120.9 mm |
| June | 14.1 °C | 25.7 °C | 97.03 mm |
| July | 16.2 °C | 27.3 °C | 119.13 mm |
| August | 15.6 °C | 26.9 °C | 86.36 mm |
| September | 12.3 °C | 24.2 °C | 86.36 mm |
| October | 5.8 °C | 18.2 °C | 74.93 mm |
| November | 0.1 °C | 12.3 °C | 69.6 mm |
| December | -2.8 °C | 7 °C | 94.49 mm |
| Annual | 5.6 °C | 17.2 °C | 1142.49 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |