Lancaster, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.3 °F (low) to 72.8 °F (high). Annual precipitation averages 44.6 Inches. Lancaster 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 | 31.4 °F | 53.5 °F | 3.77 in. |
| February | 33.8 °F | 57.2 °F | 3.25 in. |
| March | 40.1 °F | 64.8 °F | 4.05 in. |
| April | 48.8 °F | 73.6 °F | 3.36 in. |
| May | 58.1 °F | 80.3 °F | 3.3 in. |
| June | 66.1 °F | 87.4 °F | 4.17 in. |
| July | 69.7 °F | 90.6 °F | 3.97 in. |
| August | 68.6 °F | 88.9 °F | 4.49 in. |
| September | 62.7 °F | 83.7 °F | 3.75 in. |
| October | 50.3 °F | 73.9 °F | 3.2 in. |
| November | 39.6 °F | 63.8 °F | 3.43 in. |
| December | 34.3 °F | 56.0 °F | 3.9 in. |
| Annual | 50.3 °F | 72.8 °F | 44.64 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |