World Resorts USA Charleston Weather

Charleston weather in January

Weather in Charleston: January

Average day temperature: 38.5°F
Average night temperature: 31.1°F
Number of sunny days: 6 days
Day length: 9.6 - 10.3 hours
Number of rainy days: 2 days
Precipitation totals: 1.4 in.

Air temperature in January, °F

Show year:
2026
2025
2024

The highest day temperature during January of 2026 was 64°F. At the same time the lowest night temperature was 5°F. Daily and nightly averages during January were 36.5°F and 27.2°F.

Sunny, partly cloudy and cloudy days

Mostly all days in January are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in January, in.

Precipitation total value in Charleston in January is 1.4 in. Other months of the year show relatively similar values.

Wind speed in January, mph

The average wind speed value in January is 6.4 mph It makes January one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 3.9.

Best time for vacation in Charleston

Sunniest months:
October 15 days
September 14 days
November 12 days
Warmest months:
July 85.1 °F
August 82.9 °F
June 80.8 °F
Coldest months:
January 38.5 °F
February 43.4 °F
December 44.5 °F
Rainiest months:
February 3 days
May 3 days
July 3 days
Windiest months:
March 6.8 mph
April 6.4 mph
January 6.4 mph

Charleston on a weather map

Charleston
+68°F
NE 5 mph
Feels like: +68°F
Precip.: 1%
Places in USA:
Name
°F
+63°F
+66°F
+77°F
+66°F
+68°F
+84°F
+70°F
+64°F
+68°F
+59°F
+68°F
+82°F
+82°F
+81°F
+66°F
24 Hours Forecast
Charleston
Local time: 12:34
October 29, thursday
1500
72°F
E
6 mph
1800
63°F
NE
2 mph
2100
57°F
N
4 mph
October 30, friday
0000
54°F
N
3 mph
0300
52°F
N
3 mph
0600
50°F
NE
2 mph
0900
54°F
NE
2 mph
1200
64°F
S
4 mph
Units of measurement: °C / °F