Ansted, West Virginia has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 5.7 °C (low) to 18.1 °C (high). Annual precipitation averages 1250.4 Millimeters. Ansted is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.1 °C | 5.3 °C | 83.82 mm |
| February | -3.9 °C | 7.7 °C | 70.61 mm |
| March | -0.6 °C | 12.5 °C | 107.95 mm |
| April | 4.7 °C | 19.4 °C | 105.16 mm |
| May | 9.8 °C | 23.6 °C | 135.89 mm |
| June | 14.7 °C | 27.1 °C | 124.71 mm |
| July | 16.8 °C | 28.8 °C | 154.69 mm |
| August | 16.2 °C | 28.2 °C | 115.57 mm |
| September | 12.6 °C | 25.3 °C | 91.19 mm |
| October | 6 °C | 19.3 °C | 78.99 mm |
| November | 0.4 °C | 12.9 °C | 82.04 mm |
| December | -2.7 °C | 7.6 °C | 99.82 mm |
| Annual | 5.7 °C | 18.1 °C | 1250.44 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |