Davis, West Virginia has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.8 °C (low) to 14.2 °C (high). Annual precipitation averages 1532.4 Millimeters. Davis is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.2 °C | 1.6 °C | 133.1 mm |
| February | -7.1 °C | 3.2 °C | 118.87 mm |
| March | -3.6 °C | 7.8 °C | 140.21 mm |
| April | 1.9 °C | 14.7 °C | 133.6 mm |
| May | 7.2 °C | 19.2 °C | 153.67 mm |
| June | 11.4 °C | 23.4 °C | 148.08 mm |
| July | 13.3 °C | 25.1 °C | 150.62 mm |
| August | 12.7 °C | 24.6 °C | 119.13 mm |
| September | 9.2 °C | 21.7 °C | 104.65 mm |
| October | 3.4 °C | 15.8 °C | 101.09 mm |
| November | -1.6 °C | 9.2 °C | 103.12 mm |
| December | -5.4 °C | 3.8 °C | 126.24 mm |
| Annual | 2.8 °C | 14.2 °C | 1532.38 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |