World Resorts USA Charleston Weather

Charleston 14 Days Forecast

23.12
tue
Day
61°F
E 8 mph
Precip.
0%
Night
59°F
E 7 mph
Precip.
0%
24.12
wed
Day
68°F
SE 6 mph
Precip.
0%
Night
63°F
NW 5 mph
Precip.
0%
25.12
thu
Day
66°F
E 9 mph
Precip.
0%
Night
61°F
E 7 mph
Precip.
0%
26.12
fri
Day
59°F
W 14 mph
Precip.
0%
Night
59°F
N 2 mph
Precip.
0%
27.12
sat
Day
68°F
E 8 mph
Precip.
0%
Night
64°F
E 3 mph
Precip.
0%
28.12
sun
Day
68°F
E 5 mph
Precip.
0%
Night
64°F
NE 9 mph
Precip.
0%
29.12
mon
Day
63°F
S 11 mph
Precip.
0%
Night
46°F
S 11 mph
Precip.
0%
30.12
tue
Day
41°F
SE 11 mph
Precip.
0%
Night
37°F
S 4 mph
Precip.
0%
31.12
wed
Day
43°F
W 3 mph
Precip.
0%
Night
43°F
E 2 mph
Precip.
0%
01.01
thu
Day
48°F
S 6 mph
Precip.
0%
Night
45°F
S 2 mph
Precip.
0%
02.01
fri
Day
52°F
E 5 mph
Precip.
0%
Night
48°F
NE 6 mph
Precip.
0%
03.01
sat
Day
57°F
NE 6 mph
Precip.
0%
Night
52°F
NE 6 mph
Precip.
0%
04.01
sun
Day
59°F
E 9 mph
Precip.
0%
Night
57°F
E 7 mph
Precip.
0%
05.01
mon
Day
63°F
E 4 mph
Precip.
0%
Night
59°F
W 7 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 55.9°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

Sunniest months:
October 15 days
April 15 days
May 15 days
Warmest months:
July 89.5 °F
August 87.7 °F
June 86.2 °F
Warmest sea temp:
August 83.7 °F
July 83.7 °F
September 81.0 °F
Coldest months:
January 55.9 °F
February 60.2 °F
December 60.7 °F
Rainiest months:
August 9 days
July 8 days
June 7 days
Windiest months:
March 9.5 mph
April 9.4 mph
February 9.0 mph

Charleston on a weather map

Charleston
+59°F
E 7 mph
Feels like: +57°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+73°F
+73°F
+59°F
+59°F
+70°F
+75°F
+68°F
+36°F
+61°F
+57°F
+66°F
+64°F
+70°F
+39°F
24 Hours Forecast
Charleston
Local time: 23:09
December 24, wednesday
0000
59°F
E
7 mph
0300
59°F
E
7 mph
0600
57°F
E
7 mph
0900
59°F
E
6 mph
1200
68°F
SE
6 mph
1500
73°F
S
2 mph
1800
72°F
NW
4 mph
2100
66°F
NW
5 mph
Units of measurement: °C / °F