West Milford, West Virginia has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 41.2 °F (low) to 64.3 °F (high). Annual precipitation averages 48.9 Inches. West Milford is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.2 °F | 40.2 °F | 3.66 in. |
| February | 22.8 °F | 43.4 °F | 3.46 in. |
| March | 29.2 °F | 53.0 °F | 4.26 in. |
| April | 39.1 °F | 66.5 °F | 4.07 in. |
| May | 49.0 °F | 74.7 °F | 4.95 in. |
| June | 57.8 °F | 82.2 °F | 4.91 in. |
| July | 62.2 °F | 85.1 °F | 5.21 in. |
| August | 60.8 °F | 83.9 °F | 4.14 in. |
| September | 53.6 °F | 78.1 °F | 3.64 in. |
| October | 41.2 °F | 66.3 °F | 3.46 in. |
| November | 31.4 °F | 54.3 °F | 3.25 in. |
| December | 25.7 °F | 44.2 °F | 3.84 in. |
| Annual | 41.2 °F | 64.3 °F | 48.85 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 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 | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |