15.01
thu
thu
Day
48°F
SE 14 mph
Precip.
0%
0%
Night
36°F
SE 7 mph
Precip.
0%
0%
16.01
fri
fri
Day
43°F
NE 7 mph
Precip.
0%
0%
Night
46°F
NE 11 mph
Precip.
0%
0%
17.01
sat
sat
Day
57°F
NE 15 mph
Precip.
0%
0%
Night
54°F
NE 4 mph
Precip.
0%
0%
18.01
sun
sun
Day
48°F
SE 12 mph
Precip.
0%
0%
Night
37°F
SE 7 mph
Precip.
62%
62%
19.01
mon
mon
Day
39°F
E 9 mph
Precip.
0%
0%
Night
39°F
E 9 mph
Precip.
0%
0%
20.01
tue
tue
Day
45°F
E 13 mph
Precip.
0%
0%
Night
36°F
SE 11 mph
Precip.
0%
0%
21.01
wed
wed
Day
37°F
SW 9 mph
Precip.
0%
0%
Night
41°F
NW 3 mph
Precip.
0%
0%
22.01
thu
thu
Day
50°F
SE 6 mph
Precip.
0%
0%
Night
48°F
SW 8 mph
Precip.
0%
0%
23.01
fri
fri
Day
59°F
W 8 mph
Precip.
0%
0%
Night
57°F
W 3 mph
Precip.
0%
0%
24.01
sat
sat
Day
64°F
NE 11 mph
Precip.
0%
0%
Night
63°F
NE 10 mph
Precip.
100%
100%
25.01
sun
sun
Day
54°F
S 16 mph
Precip.
0%
0%
Night
45°F
SW 13 mph
Precip.
0%
0%
26.01
mon
mon
Day
41°F
SW 13 mph
Precip.
0%
0%
Night
41°F
SW 9 mph
Precip.
0%
0%
27.01
tue
tue
Day
52°F
SW 11 mph
Precip.
0%
0%
Night
57°F
NW 4 mph
Precip.
100%
100%
28.01
wed
wed
Day
61°F
N 7 mph
Precip.
100%
100%
Night
61°F
NE 6 mph
Precip.
100%
100%
sea water
temperature
temperature
| Charleston |
monthly
weather
weather
| Charleston |
current
weather
weather
| Charleston |
7 days
forecast
forecast
| Charleston |
Sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 55.8°F. The highest and lowest sea temperatures during the month were 58.1°F and 54.7°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: 20:14
January 15, thursday
2100
39°F
SE
16 mph
16 mph
January 16, friday
0000
36°F
SE
7 mph
7 mph
0300
32°F
SE
6 mph
6 mph
0600
32°F
SE
4 mph
4 mph
0900
36°F
NE
6 mph
6 mph
1200
43°F
NE
7 mph
7 mph
1500
48°F
NE
11 mph
11 mph
1800
48°F
NE
11 mph
11 mph
