Measurements:
°C
°F
Folly Beach
42°F
SW 4 mph
Feels like: 36°F
Precip: 0%
World Resorts USA Folly Beach Weather

Folly Beach Sea Water Temperature

Current Sea Water Temperature:
+49.2°F
Maximum Sea Water Temperature in January: 61.8°F
Minimum Sea Water Temperature in January: 42.4°F
Average water temperature in January: 54.5°F

Sea Water Temperature for the Last 10 Days:

January 29 49.2°F January 24 53.6°F
January 28 50.4°F January 23 52.6°F
January 27 51.8°F January 22 50.8°F
January 26 55.4°F January 21 51.6°F
January 25 54.6°F January 20 52.0°F

When is the Warmest Sea for Folly Beach?

According to our data for the last three years for Folly Beach the highest average sea water temperature was in July, August and September.

Average Water Temperature by Month, °F

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Folly Beach was 88.5°F. The maximum and minimum values were 86.6°F and 90.6°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Folly Beach was 87.8°F. The maximum and minimum values were 85.6°F and 91.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Folly Beach was 82.2°F. The maximum and minimum values were 78.6°F and 85.2°F respectively.

Best Time to Visit Folly Beach
The most sunny months:
October 17 days
April 15 days
January 14 days
The most warm months:
July 91.7 °F
August 89.7 °F
June 88.5 °F
Warmest sea temperature:
July 88.0 °F
August 87.9 °F
September 84.3 °F
The most cold months:
January 56.3 °F
December 60.3 °F
February 61.1 °F
The most rainy months:
August 5 days
July 5 days
June 3 days
The most windy months:
March 9 mph
February 9 mph
January 9 mph

Folly Beach on the Weather Map

USA Resorts:
NAME
Chicago 0
Hawaii +74
Honolulu +74
Houston +38
Las Vegas +48
Los Angeles +56
Maui +68
Miami +64
Miami Beach +70
New York +12
San Diego +60
San Francisco +50
Sarasota +58
Tampa +58
Washington +12
24 Hours Weather Forecast
Folly Beach
Local time: 10:53
29 jan, thursday
1200 42°F
SW
4 mph
1500 50°F
NW
3 mph
1800 46°F
NW
6 mph
2100 42°F
W
6 mph
30 jan, friday
0000 40°F
W
5 mph
0300 38°F
W
5 mph
0600 36°F
SW
3 mph
0900 42°F
S
4 mph