Salt Rock, West Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 43.8 °F (low) to 67.2 °F (high). Annual precipitation averages 46.2 Inches. Salt Rock is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 23.8 °F | 43.3 °F | 3.43 in. |
| February | 25.9 °F | 47.3 °F | 3.22 in. |
| March | 32.3 °F | 56.8 °F | 4.25 in. |
| April | 42.0 °F | 69.6 °F | 3.74 in. |
| May | 51.9 °F | 77.2 °F | 4.75 in. |
| June | 60.6 °F | 84.1 °F | 4.37 in. |
| July | 64.6 °F | 87.3 °F | 5.35 in. |
| August | 63.2 °F | 86.2 °F | 3.74 in. |
| September | 56.1 °F | 80.7 °F | 3.38 in. |
| October | 43.8 °F | 69.7 °F | 3.11 in. |
| November | 33.7 °F | 57.4 °F | 3.03 in. |
| December | 28.1 °F | 47.2 °F | 3.83 in. |
| Annual | 43.8 °F | 67.2 °F | 46.2 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |