Garden City, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.3 °C (low) to 22.9 °C (high). Annual precipitation averages 1408.2 Millimeters. Garden City is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.1 °C | 13.7 °C | 93.98 mm |
| February | 4.4 °C | 15.3 °C | 83.82 mm |
| March | 7.7 °C | 18.5 °C | 101.85 mm |
| April | 12.4 °C | 22.7 °C | 91.69 mm |
| May | 17.1 °C | 26.4 °C | 88.9 mm |
| June | 21.3 °C | 29.4 °C | 133.6 mm |
| July | 23.3 °C | 31.1 °C | 152.65 mm |
| August | 22.7 °C | 30.3 °C | 171.7 mm |
| September | 20.1 °C | 28.2 °C | 199.14 mm |
| October | 14.1 °C | 24.1 °C | 124.46 mm |
| November | 8 °C | 19.2 °C | 74.42 mm |
| December | 4.8 °C | 15.4 °C | 91.95 mm |
| Annual | 13.3 °C | 22.9 °C | 1408.16 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |