Lowndesville, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.3 °F (low) to 73.1 °F (high). Annual precipitation averages 48.2 Inches. Lowndesville 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 | 31.9 °F | 54.0 °F | 4.31 in. |
| February | 34.3 °F | 57.5 °F | 4.19 in. |
| March | 40.3 °F | 65.4 °F | 4.64 in. |
| April | 48.5 °F | 73.8 °F | 3.44 in. |
| May | 57.7 °F | 80.8 °F | 3.31 in. |
| June | 66.0 °F | 87.3 °F | 4.47 in. |
| July | 69.7 °F | 90.8 °F | 4.02 in. |
| August | 68.8 °F | 89.0 °F | 4.15 in. |
| September | 62.7 °F | 83.8 °F | 3.7 in. |
| October | 50.3 °F | 74.1 °F | 3.28 in. |
| November | 39.1 °F | 64.3 °F | 3.93 in. |
| December | 34.2 °F | 56.2 °F | 4.74 in. |
| Annual | 50.3 °F | 73.1 °F | 48.18 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |