Carpendale, West Virginia has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.1 °F (low) to 65.6 °F (high). Annual precipitation averages 39.5 Inches. Carpendale 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 23.8 °F | 40.8 °F | 2.6 in. |
| February | 25.3 °F | 44.9 °F | 2.5 in. |
| March | 31.6 °F | 53.8 °F | 3.51 in. |
| April | 40.9 °F | 67.1 °F | 3.52 in. |
| May | 50.5 °F | 75.8 °F | 4.34 in. |
| June | 59.4 °F | 83.4 °F | 4.06 in. |
| July | 63.5 °F | 87.8 °F | 3.57 in. |
| August | 61.9 °F | 86.1 °F | 3.12 in. |
| September | 55.0 °F | 79.6 °F | 3.78 in. |
| October | 43.3 °F | 67.8 °F | 2.83 in. |
| November | 33.8 °F | 55.1 °F | 2.62 in. |
| December | 27.8 °F | 44.5 °F | 3.07 in. |
| Annual | 43.1 °F | 65.6 °F | 39.52 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |