World Resorts USA Folly Beach Weather

Folly Beach sea water temperature

Current sea water temperature:
+57.2°F
Minimum sea water temperature in January: 60.6°F
Maximum sea water temperature in January: 43.2°F
Average sea water temperature in January: 54.2°F

Sea water temperature for the last 10 days:

January 11 57.2°F January 6 57.0°F
January 10 55.2°F January 5 55.4°F
January 9 54.9°F January 4 54.1°F
January 8 56.1°F January 3 54.5°F
January 7 55.8°F January 2 54.5°F

When is the warmest sea in Folly Beach?

Based on the data about daily sea water temperature for the last three years the warmest sea in Folly Beach was noticed in July, August and September.

Monthly Sea Temperatures in Folly Beach, °F

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 84.6°F. The highest and lowest sea temperatures during the month were 86.5°F and 82.9°F.

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 84.0°F. The highest and lowest sea temperatures during the month were 87.1°F and 82.0°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 79.0°F. The highest and lowest sea temperatures during the month were 81.7°F and 75.7°F.

Best time for vacation in Folly Beach

Sunniest months:
October 17 days
April 15 days
December 14 days
Warmest months:
July 87.6 °F
August 85.7 °F
June 84.6 °F
Warmest sea temp:
July 84.2 °F
August 84.2 °F
September 80.9 °F
Coldest months:
January 55.9 °F
December 59.3 °F
February 60.0 °F
Rainiest months:
August 5 days
July 5 days
June 3 days
Windiest months:
January 9.9 mph
March 9.8 mph
February 9.7 mph

Folly Beach on a weather map

Folly Beach
+59°F
NE 10 mph
Feels like: +57°F
Precip.: 0%
Places in USA:
Name
°F
+46°F
+73°F
+73°F
+41°F
+54°F
+68°F
+77°F
+66°F
+41°F
+52°F
+46°F
+64°F
+64°F
+43°F
+25°F
24 Hours Forecast
Folly Beach
Local time: 04:26
January 11, sunday
0600
59°F
E
10 mph
0900
61°F
E
11 mph
1200
63°F
E
16 mph
1500
64°F
SE
19 mph
1800
57°F
SE
17 mph
2100
46°F
S
15 mph
January 12, monday
0000
41°F
S
14 mph
0300
37°F
S
13 mph
Units of measurement: °C / °F