World Resorts USA Folly Beach Weather

Folly Beach sea water temperature

Current sea water temperature:
+55.4°F
Minimum sea water temperature in December: 65.7°F
Maximum sea water temperature in December: 48.2°F
Average sea water temperature in December: 57.6°F

Sea water temperature for the last 10 days:

December 23 55.4°F December 18 51.8°F
December 22 55.2°F December 17 53.2°F
December 21 54.7°F December 16 53.6°F
December 20 54.5°F December 15 55.2°F
December 19 53.2°F December 14 53.2°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
November 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 59.7 °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
December 9.7 mph

Folly Beach on a weather map

Folly Beach
+59°F
E 7 mph
Feels like: +57°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+73°F
+73°F
+59°F
+59°F
+70°F
+75°F
+68°F
+36°F
+61°F
+57°F
+66°F
+64°F
+70°F
+39°F
24 Hours Forecast
Folly Beach
Local time: 23:11
December 24, wednesday
0000
59°F
E
7 mph
0300
59°F
E
7 mph
0600
57°F
E
7 mph
0900
59°F
E
6 mph
1200
68°F
SE
6 mph
1500
73°F
S
2 mph
1800
72°F
NW
4 mph
2100
66°F
NW
5 mph
Units of measurement: °C / °F