‹ South Carolina weather by month
South Carolina weather in January
The state broadly agrees with itself in January: afternoons run 60° in Hilton Head Island and 56° in Myrtle Beach, with everywhere else in between.
Based on 3 weather stations. Three stations, all on the water — inland South Carolina and the upstate around Greenville run hotter in summer and colder on winter nights than any row here.
Charleston & the Lowcountry
Highs 58–60°, nights 40–44°, and 2.6–2.9 in of rain in a typical January.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Charleston | 58° / 44° | 5 | Mild for the season, and the carriage lines are short. |
| Hilton Head Island | 60° / 40° | 5 | Chilly mornings, easy afternoons, no lines at anything. |
The Grand Strand
Highs near 56°, nights around 37°, and 3.0 in of rain in a typical January.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Myrtle Beach | 56° / 37° | 5 | Boardwalk shuttered, beach wide open, wind off the water. |
Each place above has its own page for the full story — what the month feels like, what to pack, and whether the timing is right.