Typical Weather in Charleston, SC in January
58° F Avg High
43° F Avg Low
5 Rainy Days
☀️ Temperature Summary
Highs in January are typically around 58°F, which is cooler than usual in Charleston. Overnight lows can reach 43°F. This is the coldest month of the year in Charleston.
Despite it being the coolest month of the year, January is still a great time to visit Charleston, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
☔ Rain Summary
You can expect about a 17% chance of rain for any given day in January. It's one of the drier months of the year for Charleston, with total rainfall for the month around 3 inches.
Rainfall Throughout the Year
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