Drayton, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.3 °C (low) to 22.6 °C (high). Annual precipitation averages 1277.4 Millimeters. Drayton 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 | -0.8 °C | 11.6 °C | 110.24 mm |
| February | 0.4 °C | 13.8 °C | 97.03 mm |
| March | 3.9 °C | 18.1 °C | 119.89 mm |
| April | 8.3 °C | 23.2 °C | 109.73 mm |
| May | 13.3 °C | 27.2 °C | 93.47 mm |
| June | 17.9 °C | 30.7 °C | 114.3 mm |
| July | 20.1 °C | 32.6 °C | 100.33 mm |
| August | 19.5 °C | 31.5 °C | 117.35 mm |
| September | 16.2 °C | 28.6 °C | 104.9 mm |
| October | 9.2 °C | 23.3 °C | 97.54 mm |
| November | 3.3 °C | 17.4 °C | 96.52 mm |
| December | 0.6 °C | 12.9 °C | 116.08 mm |
| Annual | 9.3 °C | 22.6 °C | 1277.38 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |