Measurements:
°C
°F
CURRENT WEATHER
15:54
Charleston
66°F
NE 14 mph
Feels like: 66°F
Precip: 0%
World Resorts USA Charleston Weather

7 Day Weather Forecast

01.10
sat
DAY
66°F
NE 13 mph
precip
0%
NIGHT
64°F
NE 14 mph
precip
0%
01.11
sun
DAY
58°F
E 13 mph
precip
0%
NIGHT
44°F
S 15 mph
precip
0%
01.12
mon
DAY
46°F
SW 6 mph
precip
0%
NIGHT
40°F
SE 3 mph
precip
0%
01.13
tue
DAY
50°F
E 0 mph
precip
0%
NIGHT
48°F
NE 8 mph
precip
0%
01.14
wed
DAY
54°F
NE 9 mph
precip
0%
NIGHT
50°F
E 8 mph
precip
0%
01.15
thu
DAY
48°F
SE 12 mph
precip
0%
NIGHT
38°F
SE 11 mph
precip
0%
01.16
fri
DAY
36°F
SE 7 mph
precip
0%
NIGHT
38°F
E 7 mph
precip
0%

Charleston Sea Water Temperature in January, °F

Select Year: 2025 2024 2023

The average sea surface temperature in January 2025 for Charleston was 9.9°F. The maximum and minimum values were 6.9°F and 12.5°F respectively.

Charleston on the Weather Map

Best Time to Visit Charleston
The most sunny months:
October 15 days
April 15 days
May 15 days
The most warm months:
July 93.8 °F
August 91.8 °F
June 90.2 °F
Warmest sea temperature:
August 87.5 °F
July 87.4 °F
September 84.5 °F
The most cold months:
January 56.6 °F
February 61.3 °F
December 61.7 °F
The most rainy months:
August 9 days
July 8 days
June 7 days
The most windy months:
March 9 mph
April 9 mph
February 9 mph
more details