Rowesville, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.5 °F (low) to 75.9 °F (high). Annual precipitation averages 48.6 Inches. Rowesville is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 35.7 °F | 58.2 °F | 3.89 in. |
| February | 38.2 °F | 61.7 °F | 3.69 in. |
| March | 44.3 °F | 68.9 °F | 3.83 in. |
| April | 52.1 °F | 76.5 °F | 3.32 in. |
| May | 60.5 °F | 83.4 °F | 3.6 in. |
| June | 68.3 °F | 89.2 °F | 5.13 in. |
| July | 71.6 °F | 91.8 °F | 5.39 in. |
| August | 70.7 °F | 90.3 °F | 5.14 in. |
| September | 65.6 °F | 85.6 °F | 4.52 in. |
| October | 54.2 °F | 77.0 °F | 3.47 in. |
| November | 43.3 °F | 67.6 °F | 2.85 in. |
| December | 37.9 °F | 60.4 °F | 3.8 in. |
| Annual | 53.5 °F | 75.9 °F | 48.63 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |