Horse Pasture, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.5 °C (low) to 20.2 °C (high). Annual precipitation averages 1225.6 Millimeters. Horse Pasture is located in USDA Plant Hardiness Zone 7b. 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 | -3.1 °C | 8.7 °C | 97.03 mm |
| February | -1.9 °C | 10.7 °C | 76.71 mm |
| March | 1.6 °C | 15.1 °C | 105.66 mm |
| April | 6.6 °C | 20.8 °C | 96.52 mm |
| May | 11.7 °C | 24.8 °C | 114.81 mm |
| June | 16.3 °C | 28.8 °C | 117.6 mm |
| July | 18.7 °C | 30.6 °C | 111 mm |
| August | 17.9 °C | 29.8 °C | 109.73 mm |
| September | 14.3 °C | 26.4 °C | 131.57 mm |
| October | 7.5 °C | 21.3 °C | 89.41 mm |
| November | 1.7 °C | 15.4 °C | 81.53 mm |
| December | -1.4 °C | 10.4 °C | 93.98 mm |
| Annual | 7.5 °C | 20.2 °C | 1225.55 mm |
| 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 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |