Edgefield, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.9 °F (low) to 74.9 °F (high). Annual precipitation averages 46.3 Inches. Edgefield 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 | 33.4 °F | 55.8 °F | 4.19 in. |
| February | 35.2 °F | 59.4 °F | 3.68 in. |
| March | 41.3 °F | 67.1 °F | 4.36 in. |
| April | 49.4 °F | 75.5 °F | 3.14 in. |
| May | 58.2 °F | 83.0 °F | 3.17 in. |
| June | 66.0 °F | 89.5 °F | 4.58 in. |
| July | 69.2 °F | 92.5 °F | 4.22 in. |
| August | 68.4 °F | 90.9 °F | 4.68 in. |
| September | 62.8 °F | 85.5 °F | 3.76 in. |
| October | 51.3 °F | 76.3 °F | 2.99 in. |
| November | 40.4 °F | 65.9 °F | 3.33 in. |
| December | 35.5 °F | 57.8 °F | 4.17 in. |
| Annual | 50.9 °F | 74.9 °F | 46.27 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 |