Athens, 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 17.1 °C (high). Annual precipitation averages 1024.1 Millimeters. Athens 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 | -4.9 °C | 5.1 °C | 80.26 mm |
| February | -3.7 °C | 7.1 °C | 69.34 mm |
| March | -0.3 °C | 11.6 °C | 89.92 mm |
| April | 4.9 °C | 17.9 °C | 94.74 mm |
| May | 9.9 °C | 22.3 °C | 106.17 mm |
| June | 14.3 °C | 25.6 °C | 96.77 mm |
| July | 16.3 °C | 27.3 °C | 102.11 mm |
| August | 15.6 °C | 26.8 °C | 85.34 mm |
| September | 12.2 °C | 24 °C | 84.84 mm |
| October | 5.9 °C | 18.4 °C | 61.98 mm |
| November | 0.3 °C | 12.2 °C | 69.09 mm |
| December | -2.7 °C | 7 °C | 83.57 mm |
| Annual | 5.7 °C | 17.1 °C | 1024.13 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 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |