Prosperity, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51 °F (low) to 73.6 °F (high). Annual precipitation averages 46.1 Inches. Prosperity 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 | 33.0 °F | 54.5 °F | 4.04 in. |
| February | 35.2 °F | 58.2 °F | 3.65 in. |
| March | 41.1 °F | 65.9 °F | 4.12 in. |
| April | 49.5 °F | 74.6 °F | 3.22 in. |
| May | 58.4 °F | 81.5 °F | 3.2 in. |
| June | 66.6 °F | 88.2 °F | 4.5 in. |
| July | 69.8 °F | 91.2 °F | 3.85 in. |
| August | 68.8 °F | 89.6 °F | 4.54 in. |
| September | 62.9 °F | 84.1 °F | 4.04 in. |
| October | 51.0 °F | 74.7 °F | 3.34 in. |
| November | 40.5 °F | 64.5 °F | 3.47 in. |
| December | 35.2 °F | 56.7 °F | 4.17 in. |
| Annual | 51 °F | 73.6 °F | 46.14 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 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 |