World Resorts USA Charleston Weather

Charleston 14 Days Forecast

25.12
thu
Day
64°F
NE 8 mph
Precip.
0%
Night
59°F
E 6 mph
Precip.
0%
26.12
fri
Day
57°F
E 2 mph
Precip.
0%
Night
57°F
E 11 mph
Precip.
0%
27.12
sat
Day
63°F
SE 9 mph
Precip.
0%
Night
59°F
W 16 mph
Precip.
0%
28.12
sun
Day
57°F
SW 8 mph
Precip.
80%
Night
61°F
NW 5 mph
Precip.
0%
29.12
mon
Day
68°F
E 14 mph
Precip.
0%
Night
48°F
SE 11 mph
Precip.
0%
30.12
tue
Day
46°F
SE 7 mph
Precip.
0%
Night
43°F
S 4 mph
Precip.
0%
31.12
wed
Day
50°F
W 3 mph
Precip.
0%
Night
46°F
NE 7 mph
Precip.
0%
01.01
thu
Day
54°F
E 11 mph
Precip.
0%
Night
50°F
E 8 mph
Precip.
0%
02.01
fri
Day
50°F
SW 14 mph
Precip.
0%
Night
41°F
SW 13 mph
Precip.
0%
03.01
sat
Day
43°F
SW 14 mph
Precip.
0%
Night
45°F
SW 9 mph
Precip.
0%
04.01
sun
Day
55°F
SW 10 mph
Precip.
0%
Night
55°F
S 4 mph
Precip.
0%
05.01
mon
Day
59°F
SE 2 mph
Precip.
0%
Night
59°F
E 4 mph
Precip.
59%
06.01
tue
Day
61°F
E 7 mph
Precip.
83%
Night
59°F
E 3 mph
Precip.
100%
07.01
wed
Day
59°F
SW 12 mph
Precip.
58%
Night
54°F
SW 11 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 55.8°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
+68°F
NE 10 mph
Feels like: +68°F
Precip.: 0%
Places in USA:
Name
°F
+59°F
+75°F
+75°F
+68°F
+63°F
+79°F
+77°F
+72°F
+52°F
+66°F
+59°F
+82°F
+82°F
+77°F
+39°F
24 Hours Forecast
Charleston
Local time: 15:54
December 25, thursday
1800
68°F
NE
7 mph
2100
63°F
NE
6 mph
December 26, friday
0000
59°F
E
6 mph
0300
59°F
E
6 mph
0600
55°F
E
6 mph
0900
55°F
SE
4 mph
1200
57°F
E
2 mph
1500
57°F
NE
6 mph
Units of measurement: °C / °F