Lockhart, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48 °F (low) to 73.4 °F (high). Annual precipitation averages 43.7 Inches. Lockhart is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 29.1 °F | 54.1 °F | 3.87 in. |
| February | 31.6 °F | 57.9 °F | 3.41 in. |
| March | 37.2 °F | 65.5 °F | 4.12 in. |
| April | 45.8 °F | 74.8 °F | 3.6 in. |
| May | 55.7 °F | 81.4 °F | 3.31 in. |
| June | 64.4 °F | 88.2 °F | 4.03 in. |
| July | 68.4 °F | 91.3 °F | 3.32 in. |
| August | 67.2 °F | 89.6 °F | 4.01 in. |
| September | 60.6 °F | 83.8 °F | 3.56 in. |
| October | 47.6 °F | 74.0 °F | 3.14 in. |
| November | 36.3 °F | 63.9 °F | 3.37 in. |
| December | 31.5 °F | 56.4 °F | 3.95 in. |
| Annual | 48 °F | 73.4 °F | 43.69 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |