Charleston January Weather

Averages and records for weather in Charleston, South Carolina in the month of January.
Typical Charleston January Weather
1991–2020
Average daily high 60.3 °F
Average daily low 39.0 °F
Average monthly precipitation 3.4 inches
Average monthly snow 0.2 inches
Daily chance of precipitation 28.7%
Daily chance of snow 0.32%
Charleston January Weather Records
1893–2024
Highest temperature 83 °F January 26, 2024
Lowest temperature 6 °F January 21, 1985
Highest daily low 67 °F January 12, 2020
Lowest daily high 27 °F January 21, 1985
Hottest average high temperature 72.3 °F 1950
Coldest average high temperature 48.6 °F 1977
Most daily precipitation 3.9 inches January 12, 1993
Most monthly precipitation 8.9 inches 1993
Most daily snow 5.3 inches January 3, 2018
Most monthly snow 5.3 inches 2018
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
January 1 61.4 40.4 80 18
January 2 61.3 40.3 81 18
January 3 61.2 40.3 80 19
January 4 61.2 40.3 77 17
January 5 61.1 40.1 79 14
January 6 61.0 39.9 78 17
January 7 60.8 39.7 80 17
January 8 60.6 39.5 81 16
January 9 60.7 39.5 78 11
January 10 60.9 39.6 79 12
January 11 60.8 39.5 82 10
January 12 60.7 39.4 81 15
January 13 60.6 39.2 80 13
January 14 60.6 39.1 80 19
January 15 60.5 39.0 79 17
January 16 60.3 39.0 83 18
January 17 60.3 38.9 78 17
January 18 60.3 38.8 79 19
January 19 60.5 38.8 78 16
January 20 60.5 38.9 79 17
January 21 60.5 38.8 80 6
January 22 60.5 38.9 80 14
January 23 60.5 39.0 82 19
January 24 60.6 39.0 79 17
January 25 60.6 39.0 82 16
January 26 60.6 39.0 83 17
January 27 60.6 38.9 82 14
January 28 60.6 38.9 81 12
January 29 60.6 39.0 79 14
January 30 60.6 39.0 80 11
January 31 60.7 39.0 81 15
Weather Station Details
Years Station Coordinates
1938–2024 Charleston International Airport location
1893–1937 Charleston location