Measurements:
°C
°F
Folly Beach
84°F
SW 14 mph
Feels like: 90°F
Precip: 16%
World Resorts USA Folly Beach Weather

Folly Beach Sea Water Temperature

Current Sea Water Temperature:
+88.6°F
Maximum Sea Water Temperature in September: 90.6°F
Minimum Sea Water Temperature in September: 78.6°F
Average water temperature in September: 84.5°F

Sea Water Temperature for the Last 10 Days:

September 15 88.6°F September 10 86.8°F
September 14 87.0°F September 09 87.6°F
September 13 86.6°F September 08 89.0°F
September 12 85.6°F September 07 89.0°F
September 11 86.6°F September 06 88.4°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Folly Beach was 89.8°F. The maximum and minimum values were 88.4°F and 90.6°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Folly Beach was 89.4°F. The maximum and minimum values were 86.8°F and 91.6°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Folly Beach was 87.5°F. The maximum and minimum values were 85.6°F and 89.0°F respectively.

Best Time to Visit Folly Beach
The most sunny months:
October 17 days
April 16 days
January 14 days
The most warm months:
July 92.0 °F
August 90.0 °F
June 88.5 °F
Warmest sea temperature:
July 88.3 °F
August 88.2 °F
September 84.3 °F
The most cold months:
January 56.2 °F
February 60.1 °F
December 60.3 °F
The most rainy months:
August 5 days
July 5 days
June 3 days
The most windy months:
March 10 mph
February 9 mph
January 9 mph

Folly Beach on the Weather Map

USA Resorts:
NAME
Boston +62
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +72
Maui +66
Miami +88
Myrtle Beach +78
New York +66
Panama City Beach +90
San Diego +70
San Francisco +60
Santa Monica +72
Sarasota +86
Washington +66
24 Hours Weather Forecast
Folly Beach
Local time: 09:41
15 sep, tuesday
1200 88°F
W
15 mph
1500 88°F
W
14 mph
1800 84°F
W
12 mph
2100 80°F
W
9 mph
16 sep, wednesday
0000 78°F
W
8 mph
0300 76°F
SW
8 mph
0600 74°F
SW
7 mph
0900 78°F
SW
9 mph