29.12
mon
mon
Day
64°F
NE 16 mph
Precip.
0%
0%
Night
46°F
SE 11 mph
Precip.
0%
0%
30.12
tue
tue
Day
46°F
SE 6 mph
Precip.
0%
0%
Night
41°F
E 5 mph
Precip.
0%
0%
31.12
wed
wed
Day
45°F
E 7 mph
Precip.
0%
0%
Night
46°F
E 12 mph
Precip.
0%
0%
01.01
thu
thu
Day
52°F
E 9 mph
Precip.
0%
0%
Night
50°F
E 11 mph
Precip.
0%
0%
02.01
fri
fri
Day
57°F
NE 11 mph
Precip.
0%
0%
Night
59°F
NE 10 mph
Precip.
100%
100%
03.01
sat
sat
Day
59°F
E 3 mph
Precip.
100%
100%
Night
52°F
SW 11 mph
Precip.
50%
50%
04.01
sun
sun
Day
48°F
SW 12 mph
Precip.
0%
0%
Night
46°F
SW 10 mph
Precip.
0%
0%
05.01
mon
mon
Day
50°F
SW 10 mph
Precip.
0%
0%
Night
55°F
W 4 mph
Precip.
81%
81%
06.01
tue
tue
Day
59°F
E 8 mph
Precip.
45%
45%
Night
59°F
NE 6 mph
Precip.
100%
100%
07.01
wed
wed
Day
63°F
NE 11 mph
Precip.
21%
21%
Night
61°F
E 12 mph
Precip.
47%
47%
08.01
thu
thu
Day
59°F
SW 7 mph
Precip.
0%
0%
Night
55°F
W 7 mph
Precip.
0%
0%
09.01
fri
fri
Day
64°F
W 9 mph
Precip.
0%
0%
Night
66°F
N 17 mph
Precip.
100%
100%
10.01
sat
sat
Day
66°F
NE 22 mph
Precip.
100%
100%
Night
46°F
E 17 mph
Precip.
0%
0%
11.01
sun
sun
Day
52°F
E 17 mph
Precip.
0%
0%
Night
54°F
E 16 mph
Precip.
0%
0%
sea water
temperature
temperature
| Charleston |
monthly
weather
weather
| Charleston |
current
weather
weather
| Charleston |
7 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 55.8°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: 02:57
December 29, monday
0300
59°F
NE
7 mph
7 mph
0600
59°F
NE
11 mph
11 mph
0900
59°F
NE
12 mph
12 mph
1200
64°F
NE
16 mph
16 mph
1500
66°F
E
16 mph
16 mph
1800
64°F
E
17 mph
17 mph
2100
54°F
SE
14 mph
14 mph
December 30, tuesday
0000
46°F
SE
11 mph
11 mph
