Rock Cave, West Virginia has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 41 °F (low) to 62.2 °F (high). Annual precipitation averages 56.4 Inches. Rock Cave is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.5 °F | 39.4 °F | 4.42 in. |
| February | 22.9 °F | 42.7 °F | 3.96 in. |
| March | 29.5 °F | 51.4 °F | 4.79 in. |
| April | 39.0 °F | 64.1 °F | 4.61 in. |
| May | 48.8 °F | 71.7 °F | 5.87 in. |
| June | 57.2 °F | 78.4 °F | 5.58 in. |
| July | 60.8 °F | 81.4 °F | 5.96 in. |
| August | 59.2 °F | 80.5 °F | 4.89 in. |
| September | 53.2 °F | 75.3 °F | 3.79 in. |
| October | 41.6 °F | 64.7 °F | 4.25 in. |
| November | 32.0 °F | 53.3 °F | 3.78 in. |
| December | 26.2 °F | 43.9 °F | 4.54 in. |
| Annual | 41 °F | 62.2 °F | 56.44 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |