Edisto Beach, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 15.2 °C (low) to 23.5 °C (high). Annual precipitation averages 1245.1 Millimeters. Edisto Beach is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.5 °C | 14.4 °C | 91.44 mm |
| February | 6.6 °C | 15.6 °C | 89.15 mm |
| March | 9.8 °C | 18.9 °C | 79.76 mm |
| April | 14.2 °C | 23.2 °C | 71.63 mm |
| May | 19.1 °C | 27 °C | 65.02 mm |
| June | 22.9 °C | 30.1 °C | 119.63 mm |
| July | 24.4 °C | 31.7 °C | 131.57 mm |
| August | 23.9 °C | 31.1 °C | 162.81 mm |
| September | 21.8 °C | 29.1 °C | 143.51 mm |
| October | 16.3 °C | 25.3 °C | 109.22 mm |
| November | 10.5 °C | 20.1 °C | 80.77 mm |
| December | 6.9 °C | 16 °C | 100.58 mm |
| Annual | 15.2 °C | 23.5 °C | 1245.09 mm |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |