Cluster Springs, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.3 °C (low) to 21 °C (high). Annual precipitation averages 1179.8 Millimeters. Cluster Springs is located in USDA Plant Hardiness Zone 7b. 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 | -2.4 °C | 9.4 °C | 91.19 mm |
| February | -1.5 °C | 11.4 °C | 72.39 mm |
| March | 2.2 °C | 15.9 °C | 106.17 mm |
| April | 7.5 °C | 21.5 °C | 96.27 mm |
| May | 12.7 °C | 25.5 °C | 105.92 mm |
| June | 17.3 °C | 29.7 °C | 118.36 mm |
| July | 19.7 °C | 31.6 °C | 107.44 mm |
| August | 18.8 °C | 30.7 °C | 91.19 mm |
| September | 15.3 °C | 27.4 °C | 122.43 mm |
| October | 8.1 °C | 21.7 °C | 91.95 mm |
| November | 2.1 °C | 16.1 °C | 85.34 mm |
| December | -0.7 °C | 11.2 °C | 91.19 mm |
| Annual | 8.3 °C | 21 °C | 1179.84 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 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |