Measurements:
°C
°F
Charleston
64°F
N 5 mph
Feels like: 64°F
Precip: 0%
World Resorts USA Charleston Weather

7 Day Weather Forecast

03.13
fri
DAY
58°F
NW 7 mph
precip
0%
NIGHT
58°F
N 6 mph
precip
0%
03.14
sat
DAY
72°F
SW 2 mph
precip
0%
NIGHT
56°F
W 7 mph
precip
0%
03.15
sun
DAY
74°F
W 10 mph
precip
0%
NIGHT
68°F
N 14 mph
precip
0%
03.16
mon
DAY
72°F
NE 20 mph
precip
100%
NIGHT
46°F
SE 16 mph
precip
0%
03.17
tue
DAY
44°F
E 11 mph
precip
0%
NIGHT
42°F
SE 9 mph
precip
0%
03.18
wed
DAY
48°F
SW 10 mph
precip
0%
NIGHT
46°F
SW 7 mph
precip
0%
03.19
thu
DAY
58°F
SW 7 mph
precip
0%
NIGHT
52°F
SW 2 mph
precip
0%

Charleston Sea Water Temperature in March, °F

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for Charleston was 14.6°F. The maximum and minimum values were 12.1°F and 16.7°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