Current sea water temperature:
+55.0°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: | 57.5°F |
| more information | |
14 days
forecast
forecast
| Folly Beach |
monthly
weather
weather
| Folly Beach |
Sea water temperature for the last 10 days:
| December 30 | 55.0°F | December 25 | 55.4°F |
| December 29 | 55.8°F | December 24 | 54.1°F |
| December 28 | 57.0°F | December 23 | 55.4°F |
| December 27 | 56.5°F | December 22 | 55.2°F |
| December 26 | 55.8°F | December 21 | 54.7°F |
Monthly sea water temperature, °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.
current
weather
weather
| Folly Beach |
weather in
January
January
| Folly Beach |
Best time for vacation in Folly Beach
Folly Beach on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Folly Beach
Local time: 18:22
December 30, tuesday
2100
43°F
E
5 mph
5 mph
December 31, wednesday
0000
39°F
E
6 mph
6 mph
0300
37°F
E
6 mph
6 mph
0600
34°F
E
7 mph
7 mph
0900
37°F
E
7 mph
7 mph
1200
45°F
E
7 mph
7 mph
1500
54°F
E
9 mph
9 mph
1800
52°F
E
9 mph
9 mph
