Six Mile, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.8 °F (low) to 72.1 °F (high). Annual precipitation averages 56.8 Inches. Six Mile 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 Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 30.1 °F | 52.7 °F | 5.24 in. |
| February | 32.7 °F | 56.6 °F | 4.62 in. |
| March | 39.1 °F | 64.1 °F | 5.06 in. |
| April | 47.1 °F | 72.9 °F | 4.57 in. |
| May | 56.2 °F | 79.8 °F | 3.97 in. |
| June | 64.5 °F | 86.4 °F | 4.76 in. |
| July | 68.0 °F | 89.8 °F | 4.81 in. |
| August | 67.2 °F | 88.1 °F | 5.6 in. |
| September | 61.2 °F | 82.9 °F | 4.32 in. |
| October | 48.7 °F | 73.3 °F | 4.1 in. |
| November | 38.1 °F | 63.2 °F | 4.28 in. |
| December | 33.1 °F | 55.1 °F | 5.5 in. |
| Annual | 48.8 °F | 72.1 °F | 56.83 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| 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 7b : 5°F to 10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |