Swimming in Charleston in july 2025: Average sea temperature in july and tide times in july 2025
Average sea temperature in Charleston in july 2025.
In july, according to seasonal norms, the sea temperature in Charleston is:
Minimum: 81°F
Average: 83°F
Maximum: 86°F
Other useful seasonal weather averages in july:
- Outside temperature: 79°F to 90°F
- Most common weather: "Clear/Sunny"
- The wind blows at 16.2mph
- It rains a total of 6.9in, over 12 day(s).
Should we swim in Charleston in july?
Yes! The water temperature in Charleston in july is ideal
In july, swimming is ideal on the beaches around Charleston! With water reaching 86°F at most and 83°F on average, spending time in the water is very pleasant.
Note also that in july, the climate is good with an average outside temperature of 85°F, 6.9in of precipitation (over 12 days) and 81.79 % humidity.
Water and normal seasonal temperatures in Charleston in july
| July | |||
| Average sea temperature | 83°F | ||
| Minimum sea temperature | 81°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 92°F | ||
| Minimum outside temperature | 79°F | ||
| Wind speed | 9.3mph | ||
| Wind temperature | 79°F | ||
| Precipitation | 6.9in | ||
| Number of days of rain | 12 jour(s) (40%) | ||
| Humidity | 82% | ||
| Visibility in kilometers | 9.42km | ||
| Cloud cover | 26% | ||
| Our opinion | ideal swimming |
Chart of the tides in july 2025
Tide times in july 2025 in Charleston
Swim elsewhere in the United States (USA) in july
| City | Average T° | Min. T° | Max. T° | Our opinion | California in july | 68°F | 72°F | cool swimming | Washington D. C. in july | 77°F | 80°F | pleasant swimming | Boston in july | 66°F | 70°F | cool swimming | Miami (Florida) in july | 86°F | 88°F | ideal swimming | New York City in july | 73°F | 77°F | pleasant swimming | Seattle in july | 51°F | 53°F | freezing swimming | Houston in july | 86°F | 88°F | ideal swimming | Long Beach (Washington) in july | 59°F | 62°F | freezing swimming | Myrtle Beach in july | 82°F | 85°F | ideal swimming | Philadelphia in july | 75°F | 78°F | pleasant swimming | Portland in july | 58°F | 61°F | freezing swimming | Atlantic City in july | 75°F | 79°F | pleasant swimming | Baltimore in july | 76°F | 80°F | pleasant swimming | Bar Harbor (Maine) in july | 55°F | 61°F | freezing swimming | Brooklyn in july | 73°F | 76°F | pleasant swimming | Cape Cod National Seashore in july | 66°F | 72°F | cool swimming | Carolina Beach in july | 83°F | 85°F | ideal swimming | Gulf Shores (Alabama) in july | 86°F | 90°F | ideal swimming | Hampton Beach in july | 65°F | 70°F | cool swimming | Maryland in july | 76°F | 80°F | pleasant swimming | Mobile (Alabama) in july | 86°F | 89°F | ideal swimming |
Swim in the United States (USA) in july: sea temperature by city