Barboursville, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.2 °C (low) to 19.5 °C (high). Annual precipitation averages 1152.4 Millimeters. Barboursville is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.9 °C | 7.4 °C | 80.26 mm |
| February | -2.9 °C | 9.2 °C | 69.34 mm |
| March | 0.8 °C | 13.8 °C | 96.01 mm |
| April | 6.2 °C | 19.9 °C | 84.33 mm |
| May | 11.5 °C | 24.1 °C | 113.79 mm |
| June | 16.4 °C | 28.6 °C | 124.97 mm |
| July | 18.8 °C | 30.7 °C | 104.65 mm |
| August | 17.9 °C | 29.8 °C | 96.77 mm |
| September | 14.1 °C | 26.4 °C | 112.52 mm |
| October | 7.3 °C | 20.6 °C | 95 mm |
| November | 1.6 °C | 14.6 °C | 85.34 mm |
| December | -2 °C | 9.3 °C | 89.41 mm |
| Annual | 7.2 °C | 19.5 °C | 1152.39 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |