Heath Springs, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.7 °C (low) to 22.6 °C (high). Annual precipitation averages 1149.1 Millimeters. Heath Springs is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.4 °C | 11.8 °C | 100.33 mm |
| February | 1.7 °C | 13.9 °C | 85.85 mm |
| March | 5.5 °C | 18.2 °C | 99.06 mm |
| April | 10.1 °C | 23.1 °C | 85.85 mm |
| May | 14.7 °C | 26.9 °C | 85.6 mm |
| June | 19.1 °C | 30.6 °C | 106.68 mm |
| July | 21.1 °C | 32.5 °C | 104.14 mm |
| August | 20.4 °C | 31.4 °C | 113.28 mm |
| September | 17.3 °C | 28.3 °C | 106.43 mm |
| October | 10.7 °C | 23.1 °C | 79.76 mm |
| November | 5.1 °C | 17.6 °C | 82.3 mm |
| December | 1.9 °C | 13.3 °C | 99.82 mm |
| Annual | 10.7 °C | 22.6 °C | 1149.1 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |