‹ South Carolina weather by month
South Carolina weather in December
The state broadly agrees with itself in December: afternoons run 63° in Hilton Head Island and 59° 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 61–63°, nights 43–47°, and 2.9–3.2 in of rain in a typical December.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Charleston | 61° / 47° | 5 | Wreaths on the wrought iron, a coat after dark. |
| Hilton Head Island | 63° / 43° | 5 | Cool and calm — the island half-empty and entirely pleasant. |
The Grand Strand
Highs near 59°, nights around 40°, and 3.1 in of rain in a typical December.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Myrtle Beach | 59° / 40° | 5 | Cold, still, and emptier than you'd think possible. |
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.