South Dewees Island Weather Forecast
- 68
- 77
Mostly Cloudy
- 62
- 83
Rain Showers Likely
- 64
- 74
Partly Sunny
- 67
- 78
Chance Rain Showers
- 61
- 82
Mostly Sunny
- 66
- 79
Mostly Sunny
- 69
- 82
Partly Sunny
South Dewees Island Temperature Statistics
May Temperature
Mount Pleasant Regional-Faison Field (5 miles)
Lowest 4 May, 2026
50 °FAverage May
65.4 °FHighest 6 May, 2026
82.4 °F
Climate (2021–Present)
Mount Pleasant Regional-Faison Field (5 miles)
Average Low 2021–2026
58.3 °FAverage 2021–2026
66.3 °FAverage High 2021–2026
75.4 °F