Gray Court, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10 °C (low) to 22.3 °C (high). Annual precipitation averages 1231.6 Millimeters. Gray Court is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.3 °C | 11.6 °C | 109.73 mm |
| February | 1.1 °C | 13.7 °C | 100.08 mm |
| March | 4.6 °C | 17.8 °C | 118.36 mm |
| April | 9 °C | 22.7 °C | 95.5 mm |
| May | 14.2 °C | 26.7 °C | 89.92 mm |
| June | 18.6 °C | 30.3 °C | 108.2 mm |
| July | 20.6 °C | 32.3 °C | 100.58 mm |
| August | 20.1 °C | 31.3 °C | 112.52 mm |
| September | 16.8 °C | 28.2 °C | 93.47 mm |
| October | 10 °C | 22.9 °C | 87.63 mm |
| November | 4.1 °C | 17.2 °C | 98.04 mm |
| December | 1.2 °C | 12.8 °C | 117.6 mm |
| Annual | 10 °C | 22.3 °C | 1231.63 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |