South Dewees Island Weather Forecast
- 54
- 77
Slight Chance Thunderstorms
- 59
- 70
Partly Sunny
- 65
- 75
Partly Sunny
- 65
- 76
Rain Showers Likely
- 58
- 78
Chance Rain Showers
- 58
- 74
Chance Rain Showers
- 56
- 71
Chance Rain Showers
South Dewees Island Temperature Statistics
April Temperature
Mount Pleasant Regional-Faison Field (5 miles)
Lowest 9 April, 2026
46.4 °FAverage April
67.5 °FHighest 17 April, 2026
87.8 °F
Climate (2021–Present)
Mount Pleasant Regional-Faison Field (5 miles)
Average Low 2021–2026
58.3 °FAverage 2021–2026
66.4 °FAverage High 2021–2026
75.4 °F