Mallory, West Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 44.8 °F (low) to 65.9 °F (high). Annual precipitation averages 51 Inches. Mallory 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 | 25.1 °F | 43.0 °F | 3.73 in. |
| February | 27.6 °F | 47.3 °F | 3.46 in. |
| March | 33.8 °F | 56.1 °F | 4.25 in. |
| April | 43.2 °F | 68.3 °F | 4.7 in. |
| May | 52.6 °F | 75.5 °F | 5.3 in. |
| June | 60.8 °F | 82.2 °F | 5.15 in. |
| July | 64.7 °F | 85.1 °F | 5.92 in. |
| August | 63.5 °F | 84.0 °F | 4.47 in. |
| September | 57.1 °F | 79.0 °F | 3.52 in. |
| October | 44.8 °F | 67.8 °F | 3.17 in. |
| November | 34.5 °F | 56.2 °F | 3.14 in. |
| December | 29.3 °F | 46.5 °F | 4.17 in. |
| Annual | 44.8 °F | 65.9 °F | 50.98 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |