Garden City, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.8 °F (low) to 73.2 °F (high). Annual precipitation averages 55.4 Inches. 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 | 37.6 °F | 56.7 °F | 3.7 in. |
| February | 40.0 °F | 59.6 °F | 3.3 in. |
| March | 45.8 °F | 65.3 °F | 4.01 in. |
| April | 54.4 °F | 72.8 °F | 3.61 in. |
| May | 62.7 °F | 79.6 °F | 3.5 in. |
| June | 70.3 °F | 85.0 °F | 5.26 in. |
| July | 73.9 °F | 87.9 °F | 6.01 in. |
| August | 72.8 °F | 86.5 °F | 6.76 in. |
| September | 68.1 °F | 82.8 °F | 7.84 in. |
| October | 57.4 °F | 75.3 °F | 4.9 in. |
| November | 46.4 °F | 66.6 °F | 2.93 in. |
| December | 40.7 °F | 59.7 °F | 3.62 in. |
| Annual | 55.8 °F | 73.2 °F | 55.44 in. |
| 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 : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |