Kershaw, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.4 °F (low) to 73.3 °F (high). Annual precipitation averages 45.8 Inches. 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 | 31.7 °F | 53.9 °F | 4.04 in. |
| February | 34.1 °F | 57.7 °F | 3.48 in. |
| March | 40.7 °F | 65.4 °F | 3.87 in. |
| April | 49.0 °F | 74.5 °F | 3.45 in. |
| May | 57.6 °F | 81.3 °F | 3.53 in. |
| June | 65.7 °F | 87.7 °F | 4.19 in. |
| July | 69.6 °F | 91.1 °F | 4.18 in. |
| August | 68.4 °F | 89.2 °F | 4.4 in. |
| September | 62.5 °F | 83.7 °F | 4.38 in. |
| October | 50.4 °F | 74.0 °F | 3.08 in. |
| November | 40.2 °F | 64.5 °F | 3.24 in. |
| December | 34.5 °F | 56.8 °F | 3.95 in. |
| Annual | 50.4 °F | 73.3 °F | 45.79 in. |
| 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 : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |