North Hills, West Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 5.7 °C (low) to 17.9 °C (high). Annual precipitation averages 1120.9 Millimeters. North Hills is located in USDA Plant Hardiness Zone 6b. 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 | -5.8 °C | 4.2 °C | 84.07 mm |
| February | -4.7 °C | 6.3 °C | 76.71 mm |
| March | -0.9 °C | 11.6 °C | 101.09 mm |
| April | 4.7 °C | 19.1 °C | 96.27 mm |
| May | 10.3 °C | 23.4 °C | 112.01 mm |
| June | 15.2 °C | 27.7 °C | 118.36 mm |
| July | 17.5 °C | 29.4 °C | 119.63 mm |
| August | 16.4 °C | 29 °C | 90.17 mm |
| September | 12.4 °C | 25.8 °C | 86.11 mm |
| October | 5.8 °C | 19.3 °C | 74.17 mm |
| November | 0.2 °C | 12.4 °C | 75.44 mm |
| December | -2.8 °C | 6.7 °C | 86.87 mm |
| Annual | 5.7 °C | 17.9 °C | 1120.9 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |