22.12
mon
mon
Day
59°F
SW 16 mph
Precip.
0%
0%
Night
52°F
SW 7 mph
Precip.
0%
0%
23.12
tue
tue
Day
61°F
NE 10 mph
Precip.
0%
0%
Night
61°F
E 6 mph
Precip.
0%
0%
24.12
wed
wed
Day
61°F
SE 5 mph
Precip.
0%
0%
Night
61°F
NW 5 mph
Precip.
0%
0%
25.12
thu
thu
Day
68°F
NE 6 mph
Precip.
0%
0%
Night
61°F
NE 9 mph
Precip.
0%
0%
26.12
fri
fri
Day
66°F
NE 13 mph
Precip.
0%
0%
Night
64°F
E 8 mph
Precip.
0%
0%
27.12
sat
sat
Day
59°F
SW 16 mph
Precip.
0%
0%
Night
54°F
SW 11 mph
Precip.
0%
0%
28.12
sun
sun
Day
54°F
W 4 mph
Precip.
0%
0%
Night
55°F
E 5 mph
Precip.
0%
0%
sea water
temperature
temperature
| Charleston |
monthly
weather
weather
| Charleston |
current
weather
weather
| Charleston |
14 days
forecast
forecast
| Charleston |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 56.0°F. The highest and lowest sea temperatures during the month were 61.2°F and 50.7°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 49.7°F. The highest and lowest sea temperatures during the month were 54.5°F and 44.4°F.
Air temperature in Charleston, °F
Precipitation total in Charleston, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Charleston
Charleston on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Charleston
Local time: 08:01
December 22, monday
0900
48°F
SW
11 mph
11 mph
1200
59°F
SW
16 mph
16 mph
1500
63°F
W
14 mph
14 mph
1800
59°F
SW
11 mph
11 mph
2100
54°F
SW
7 mph
7 mph
December 23, tuesday
0000
52°F
SW
7 mph
7 mph
0300
50°F
W
7 mph
7 mph
0600
48°F
N
4 mph
4 mph
