Marmet, West Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 44.1 °F (low) to 66.8 °F (high). Annual precipitation averages 46.6 Inches. Marmet 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 | 24.2 °F | 43.3 °F | 3.27 in. |
| February | 26.1 °F | 47.0 °F | 3.11 in. |
| March | 32.4 °F | 56.3 °F | 4.17 in. |
| April | 42.1 °F | 68.8 °F | 3.81 in. |
| May | 52.2 °F | 76.4 °F | 4.93 in. |
| June | 60.6 °F | 83.3 °F | 4.42 in. |
| July | 64.8 °F | 86.5 °F | 5.67 in. |
| August | 63.6 °F | 85.6 °F | 3.95 in. |
| September | 56.6 °F | 80.4 °F | 3.47 in. |
| October | 44.6 °F | 69.4 °F | 3.07 in. |
| November | 33.6 °F | 57.5 °F | 2.96 in. |
| December | 28.2 °F | 47.3 °F | 3.78 in. |
| Annual | 44.1 °F | 66.8 °F | 46.61 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 7a : 0°F to 5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |