Weather By Day

January Weather In Charleston  
January Charleston Weather
Record High: 79°F
Normal High: 59°F
Normal Low: 37°F
Record Low: -16°F
Avg Monthly Rain: 4.08"
Rec 1 Day Rain: 1.88"
Avg Monthly Snow: 0.1"
Rec 1 Day Snow: 15.5"

Charleston Weather In January

The highest recorded temperature for Charleston South Carolina for the past 68 years in January was 79 degrees Fahrenheit, measured on January 6, 1950, and the mean high is 59. In the last 68 years the lowest measured January temperature in Charleston was -16 most recently registered on January 18, 1994, while the mean low daily temperature during the month is 37.

US National Weather Service historical Charleston January Weather data records that on January 17, 1982, the high temperature did not exceed 6 degrees Fahrenheit, the lowest high measured in Charleston in the past 68 years. Weather Service records additionally indicate that on January 4, 2004, the low for the day was not measured below 61 degrees, the highest low temperature recorded in Charleston in the last 68 years.

NWS data indicates that the daily high temperature in Charleston on January First averages 45 degrees Fahrenheit and the high on the last day of January averages 43 degrees. The average daily low temperature in Charleston on January First is 28 degrees Fahrenheit and the average low on the last day of January is 25 degrees.

Charleston receives an average of 4.08 inches of precipitation during January. According to January Charleston Weather records, the most rain measured in a single day in January was 1.88 inches on January 31, 1950. Charleston averages 0.1 inches of snow in January. The highest snowfall measured in a single day in January was 15.5 inches on January 4, 1994.