‹ South Carolina weather by month
South Carolina weather in October
The state broadly agrees with itself in October: afternoons run 78° in Hilton Head Island and 76° 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 76–78°, nights 59–63°, and 3.8–4.1 in of rain in a typical October.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Charleston | 76° / 63° | 5 | Long low light and windows open across the peninsula. |
| Hilton Head Island | 78° / 59° | 4 | Perfect cycling weather and the beach mostly to yourself. |
The Grand Strand
Highs near 76°, nights around 56°, and 4.2 in of rain in a typical October.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Myrtle Beach | 76° / 56° | 5 | Sweatshirt mornings, beach afternoons, half the parking lots empty. |
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.