Bennettsville, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.9 °F (low) to 73.7 °F (high). Annual precipitation averages 47 Inches. Bennettsville 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 | 32.2 °F | 54.5 °F | 3.57 in. |
| February | 34.1 °F | 58.2 °F | 3.24 in. |
| March | 40.4 °F | 65.7 °F | 3.56 in. |
| April | 49.1 °F | 74.9 °F | 3.18 in. |
| May | 58.4 °F | 82.0 °F | 3.48 in. |
| June | 67.3 °F | 88.3 °F | 4.68 in. |
| July | 70.8 °F | 90.9 °F | 4.85 in. |
| August | 69.1 °F | 89.1 °F | 5.05 in. |
| September | 63.0 °F | 83.7 °F | 5.2 in. |
| October | 51.0 °F | 75.0 °F | 3.34 in. |
| November | 39.9 °F | 65.0 °F | 3.25 in. |
| December | 35.0 °F | 57.2 °F | 3.64 in. |
| Annual | 50.9 °F | 73.7 °F | 47.04 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |