‹ South Carolina weather by month
South Carolina weather in March
The state broadly agrees with itself in March: afternoons run 70° in Hilton Head Island and 65° 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 66–70°, nights 49–52°, and 3.0–3.1 in of rain in a typical March.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Charleston | 66° / 52° | 5 | The month spring stops being a rumor around here. |
| Hilton Head Island | 70° / 49° | 6 | Warm enough to eat outside, cool enough to sleep. |
The Grand Strand
Highs near 65°, nights around 45°, and 3.6 in of rain in a typical March.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Myrtle Beach | 65° / 45° | 6 | Spring break arrives and the town wakes up fast. |
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.