‹ South Carolina weather by month
South Carolina weather in June
The state broadly agrees with itself in June: afternoons run 89° in Hilton Head Island and 84° in Charleston, 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 84–89°, nights 71–74°, and 4.8–5.0 in of rain in a typical June.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Charleston | 84° / 74° | 7 | Summer settles onto the peninsula and refuses to get up. |
| Hilton Head Island | 89° / 71° | 8 | Summer lands all at once — heat, storms, and traffic. |
The Grand Strand
Highs near 85°, nights around 70°, and 4.1 in of rain in a typical June.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Myrtle Beach | 85° / 70° | 7 | Summer at full volume, ocean finally comfortable. |
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.