Prince, West Virginia has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 5.7 °C (low) to 17.9 °C (high). Annual precipitation averages 1136.1 Millimeters. Prince 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 | -5.1 °C | 5.4 °C | 82.04 mm |
| February | -3.8 °C | 7.6 °C | 77.72 mm |
| March | -0.6 °C | 12.6 °C | 103.12 mm |
| April | 4.4 °C | 19.3 °C | 100.58 mm |
| May | 9.8 °C | 23.4 °C | 116.84 mm |
| June | 14.6 °C | 26.6 °C | 115.82 mm |
| July | 16.9 °C | 28.3 °C | 124.97 mm |
| August | 16.3 °C | 27.9 °C | 95 mm |
| September | 12.7 °C | 24.9 °C | 84.07 mm |
| October | 5.8 °C | 18.9 °C | 71.88 mm |
| November | 0.1 °C | 12.9 °C | 71.88 mm |
| December | -2.8 °C | 7.4 °C | 92.2 mm |
| Annual | 5.7 °C | 17.9 °C | 1136.12 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 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |