Dorothy, West Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 43.1 °F (low) to 65.6 °F (high). Annual precipitation averages 49.8 Inches. Dorothy 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 | 23.7 °F | 42.6 °F | 3.65 in. |
| February | 26.0 °F | 46.6 °F | 3.38 in. |
| March | 31.7 °F | 55.2 °F | 4.51 in. |
| April | 40.9 °F | 67.6 °F | 4.28 in. |
| May | 50.7 °F | 75.2 °F | 5.37 in. |
| June | 59.1 °F | 82.0 °F | 4.65 in. |
| July | 63.1 °F | 85.0 °F | 5.66 in. |
| August | 62.3 °F | 84.1 °F | 4.47 in. |
| September | 55.6 °F | 78.7 °F | 3.61 in. |
| October | 43.1 °F | 67.9 °F | 3.02 in. |
| November | 32.9 °F | 55.9 °F | 3.08 in. |
| December | 27.9 °F | 46.1 °F | 4.14 in. |
| Annual | 43.1 °F | 65.6 °F | 49.82 in. |
| 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 : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |