Great Cacapon, West Virginia has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.3 °F (low) to 64.7 °F (high). Annual precipitation averages 39 Inches. Great Cacapon 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 | 22.5 °F | 40.8 °F | 2.72 in. |
| February | 24.0 °F | 44.3 °F | 2.18 in. |
| March | 30.5 °F | 52.8 °F | 3.36 in. |
| April | 40.3 °F | 65.5 °F | 3.17 in. |
| May | 49.7 °F | 74.1 °F | 3.76 in. |
| June | 58.5 °F | 82.4 °F | 3.86 in. |
| July | 63.4 °F | 87.1 °F | 3.41 in. |
| August | 61.6 °F | 85.0 °F | 3.4 in. |
| September | 54.6 °F | 78.4 °F | 4.11 in. |
| October | 42.7 °F | 66.9 °F | 3.07 in. |
| November | 33.4 °F | 55.3 °F | 2.84 in. |
| December | 26.7 °F | 44.3 °F | 3.11 in. |
| Annual | 42.3 °F | 64.7 °F | 38.99 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |