Forest Acres, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.6 °C (low) to 24.3 °C (high). Annual precipitation averages 1193.5 Millimeters. Forest Acres is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.3 °C | 13.8 °C | 98.04 mm |
| February | 2.7 °C | 15.8 °C | 90.17 mm |
| March | 6.3 °C | 20.1 °C | 105.16 mm |
| April | 10.8 °C | 24.9 °C | 76.96 mm |
| May | 15.8 °C | 28.8 °C | 85.34 mm |
| June | 20.2 °C | 32.1 °C | 125.98 mm |
| July | 22 °C | 33.8 °C | 115.06 mm |
| August | 21.6 °C | 32.9 °C | 122.68 mm |
| September | 18.4 °C | 30.2 °C | 107.19 mm |
| October | 11.7 °C | 24.9 °C | 89.92 mm |
| November | 5.6 °C | 19.3 °C | 77.98 mm |
| December | 2.6 °C | 15.1 °C | 99.06 mm |
| Annual | 11.6 °C | 24.3 °C | 1193.54 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°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 |