Clifton, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.3 °F (low) to 73 °F (high). Annual precipitation averages 49.9 Inches. Clifton is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 30.0 °F | 53.2 °F | 4.29 in. |
| February | 32.3 °F | 57.2 °F | 3.77 in. |
| March | 38.4 °F | 65.0 °F | 4.68 in. |
| April | 46.2 °F | 74.4 °F | 4.26 in. |
| May | 55.5 °F | 81.3 °F | 3.75 in. |
| June | 64.0 °F | 87.5 °F | 4.45 in. |
| July | 67.9 °F | 91.0 °F | 4.05 in. |
| August | 66.9 °F | 89.0 °F | 4.59 in. |
| September | 60.7 °F | 83.8 °F | 4.06 in. |
| October | 48.1 °F | 74.4 °F | 3.71 in. |
| November | 37.2 °F | 63.7 °F | 3.77 in. |
| December | 32.5 °F | 55.6 °F | 4.52 in. |
| Annual | 48.3 °F | 73 °F | 49.9 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 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 |