Swimming in Charleston in august 2025: Average sea temperature in august and tide times in august 2025
Average sea temperature in Charleston in august 2025.
In august, according to seasonal norms, the sea temperature in Charleston is:
Minimum: 81°F
Average: 84°F
Maximum: 86°F
Other useful seasonal weather averages in august:
- Outside temperature: 78°F to 89°F
- Most common weather: "Clear/Sunny"
- The wind blows at 16.2mph
- It rains a total of 9.3in, over 16 day(s).
Should we swim in Charleston in august?
Yes! The water temperature in Charleston in august is ideal
In august, swimming is ideal on the beaches around Charleston! With water reaching 86°F at most and 84°F on average, spending time in the water is very pleasant.
Note also that in august, the climate is tolerable with an average outside temperature of 84°F, 9.2in of precipitation (over 16 days) and 84.06 % humidity.
Water and normal seasonal temperatures in Charleston in august
| August | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 81°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 90°F | ||
| Minimum outside temperature | 79°F | ||
| Wind speed | 8.7mph | ||
| Wind temperature | 79°F | ||
| Precipitation | 9.3in | ||
| Number of days of rain | 16 jour(s) (50%) | ||
| Humidity | 85% | ||
| Visibility in kilometers | 9.31km | ||
| Cloud cover | 29% | ||
| Our opinion | ideal swimming |
Chart of the tides in august 2025
Tide times in august 2025 in Charleston
Swim elsewhere in the United States (USA) in august
| City | Average T° | Min. T° | Max. T° | Our opinion | California in august | 68°F | 71°F | cool swimming | Washington D. C. in august | 79°F | 81°F | pleasant swimming | Boston in august | 68°F | 71°F | cool swimming | Miami (Florida) in august | 87°F | 88°F | ideal swimming | New York City in august | 74°F | 78°F | pleasant swimming | Seattle in august | 54°F | 56°F | freezing swimming | Houston in august | 87°F | 90°F | ideal swimming | Long Beach (Washington) in august | 58°F | 61°F | freezing swimming | Myrtle Beach in august | 83°F | 85°F | ideal swimming | Philadelphia in august | 77°F | 81°F | pleasant swimming | Portland in august | 57°F | 60°F | freezing swimming | Atlantic City in august | 77°F | 82°F | pleasant swimming | Baltimore in august | 78°F | 81°F | pleasant swimming | Bar Harbor (Maine) in august | 57°F | 62°F | freezing swimming | Brooklyn in august | 74°F | 78°F | pleasant swimming | Cape Cod National Seashore in august | 68°F | 71°F | cool swimming | Carolina Beach in august | 83°F | 85°F | ideal swimming | Gulf Shores (Alabama) in august | 87°F | 90°F | ideal swimming | Hampton Beach in august | 67°F | 70°F | cool swimming | Maryland in august | 78°F | 80°F | pleasant swimming | Mobile (Alabama) in august | 87°F | 89°F | ideal swimming |
Swim in the United States (USA) in august: sea temperature by city