Powdersville, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.2 °F (low) to 71.6 °F (high). Annual precipitation averages 52.2 Inches. Powdersville 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 | 31.6 °F | 52.2 °F | 4.52 in. |
| February | 34.1 °F | 56.2 °F | 4.1 in. |
| March | 40.7 °F | 63.6 °F | 4.72 in. |
| April | 48.5 °F | 72.3 °F | 4.34 in. |
| May | 57.6 °F | 79.4 °F | 3.77 in. |
| June | 65.6 °F | 85.9 °F | 4.39 in. |
| July | 69.1 °F | 89.6 °F | 4.46 in. |
| August | 68.3 °F | 87.8 °F | 5.12 in. |
| September | 62.5 °F | 82.2 °F | 3.89 in. |
| October | 50.5 °F | 72.6 °F | 3.86 in. |
| November | 39.7 °F | 62.6 °F | 4.05 in. |
| December | 34.5 °F | 54.5 °F | 4.95 in. |
| Annual | 50.2 °F | 71.6 °F | 52.17 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 |