Click on a day for an hourly weather forecast
The temperatures in Charleston in October are comfortable with low of 19°C and and high up to 24°C.
You can expect about 3 to 8 days of rain in Charleston during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Charleston in October 2025.
If you’re planning to visit Charleston in the near future, we highly recommend that you review the 14 day weather forecast for Charleston before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 14° / 8° | 5 | 26 | 0 | 98 mm | Good | Charleston in January |
| February | 16° / 10° | 5 | 23 | 0 | 126 mm | Good | Charleston in February |
| March | 18° / 12° | 6 | 25 | 0 | 139 mm | Good | Charleston in March |
| April | 22° / 16° | 6 | 24 | 0 | 140 mm | Good | Charleston in April |
| May | 25° / 21° | 8 | 23 | 0 | 181 mm | Good | Charleston in May |
| June | 29° / 24° | 12 | 18 | 0 | 243 mm | Ok | Charleston in June |
| July | 30° / 26° | 13 | 18 | 0 | 283 mm | Ok | Charleston in July |
| August | 30° / 26° | 16 | 15 | 0 | 380 mm | Ok | Charleston in August |
| September | 28° / 24° | 9 | 21 | 0 | 265 mm | Good | Charleston in September |
| October | 24° / 19° | 5 | 26 | 0 | 174 mm | Perfect | Charleston in October |
| November | 19° / 13° | 4 | 26 | 0 | 100 mm | Good | Charleston in November |
| December | 16° / 11° | 6 | 25 | 0 | 143 mm | Good | Charleston in December |