Greeleyville, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.8 °F (low) to 75.7 °F (high). Annual precipitation averages 50.4 Inches. Greeleyville 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 | 35.0 °F | 57.8 °F | 3.65 in. |
| February | 37.1 °F | 61.2 °F | 3.61 in. |
| March | 42.8 °F | 68.4 °F | 3.74 in. |
| April | 51.1 °F | 76.8 °F | 3.5 in. |
| May | 59.8 °F | 83.4 °F | 3.81 in. |
| June | 67.9 °F | 88.8 °F | 5.22 in. |
| July | 71.4 °F | 91.7 °F | 5.56 in. |
| August | 70.2 °F | 90.0 °F | 5.65 in. |
| September | 64.7 °F | 85.1 °F | 5.26 in. |
| October | 53.3 °F | 77.0 °F | 3.77 in. |
| November | 42.5 °F | 67.6 °F | 2.84 in. |
| December | 37.5 °F | 60.4 °F | 3.81 in. |
| Annual | 52.8 °F | 75.7 °F | 50.42 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 8a : 10°F to 15°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |