Measurements:
°C
°F
CURRENT WEATHER
07:18
Charleston
66°F
N 6 mph
Feels like: 66°F
Precip: 0%
World Resorts USA Charleston Weather

7 Day Weather Forecast

04.03
fri
DAY
74°F
NW 11 mph
precip
0%
NIGHT
68°F
NW 6 mph
precip
0%
04.04
sat
DAY
74°F
N 9 mph
precip
0%
NIGHT
70°F
N 9 mph
precip
0%
04.05
sun
DAY
74°F
NE 14 mph
precip
0%
NIGHT
68°F
NE 6 mph
precip
100%
04.06
mon
DAY
68°F
SW 14 mph
precip
0%
NIGHT
62°F
SW 10 mph
precip
0%
04.07
tue
DAY
64°F
SW 13 mph
precip
0%
NIGHT
58°F
SW 14 mph
precip
0%
04.08
wed
DAY
56°F
SW 21 mph
precip
0%
NIGHT
50°F
SW 17 mph
precip
0%
04.09
thu
DAY
56°F
SW 18 mph
precip
0%
NIGHT
58°F
S 14 mph
precip
0%

Charleston Sea Water Temperature in April, °F

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Charleston was 20.5°F. The maximum and minimum values were 18.4°F and 22.6°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 56.4 °F
February 61.0 °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