Kershaw, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.2 °C (low) to 23 °C (high). Annual precipitation averages 1163.1 Millimeters. Kershaw 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 | -0.2 °C | 12.2 °C | 102.62 mm |
| February | 1.2 °C | 14.3 °C | 88.39 mm |
| March | 4.8 °C | 18.6 °C | 98.3 mm |
| April | 9.4 °C | 23.6 °C | 87.63 mm |
| May | 14.2 °C | 27.4 °C | 89.66 mm |
| June | 18.7 °C | 30.9 °C | 106.43 mm |
| July | 20.9 °C | 32.8 °C | 106.17 mm |
| August | 20.2 °C | 31.8 °C | 111.76 mm |
| September | 16.9 °C | 28.7 °C | 111.25 mm |
| October | 10.2 °C | 23.3 °C | 78.23 mm |
| November | 4.6 °C | 18.1 °C | 82.3 mm |
| December | 1.4 °C | 13.8 °C | 100.33 mm |
| Annual | 10.2 °C | 23 °C | 1163.07 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 |