Cave Spring, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.9 °C (low) to 19.6 °C (high). Annual precipitation averages 1198.1 Millimeters. Cave Spring is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.6 °C | 7.7 °C | 82.04 mm |
| February | -1.6 °C | 9.8 °C | 70.87 mm |
| March | 2 °C | 14.4 °C | 96.01 mm |
| April | 7.1 °C | 20.4 °C | 101.09 mm |
| May | 12.2 °C | 24.4 °C | 128.52 mm |
| June | 16.7 °C | 28.3 °C | 120.14 mm |
| July | 19 °C | 30.3 °C | 106.43 mm |
| August | 18.2 °C | 29.3 °C | 98.81 mm |
| September | 14.6 °C | 25.9 °C | 124.97 mm |
| October | 8.1 °C | 20.4 °C | 97.79 mm |
| November | 2.2 °C | 14.8 °C | 83.82 mm |
| December | -0.9 °C | 9.5 °C | 87.63 mm |
| Annual | 7.9 °C | 19.6 °C | 1198.12 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |