Swimming in Louisiana in august 2025 Sea temperature by city in august
Do you want to go to the beach in Louisiana in august 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in august in Louisiana by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Louisiana in august 2025
Here, find the average sea temperature in Louisiana in august in several coastal cities.
87°F
min: 84°F / max: 90°F
Cameron
88°F
min: 85°F / max: 90°F
Grand Isle
88°F
min: 85°F / max: 92°F
Holly Beach
88°F
min: 85°F / max: 91°F
Houma
88°F
min: 84°F / max: 92°F
Lake Charles
88°F
min: 85°F / max: 91°F
Morgan City
88°F
min: 84°F / max: 92°F
Pecan Island
88°F
min: 85°F / max: 90°F
Port Sulphur
88°F
min: 85°F / max: 92°F
Slidell
87°F
min: 84°F / max: 90°F
Where should you go swimming in Louisiana in the month of august?
Swimming in Louisiana in august is ideal
In august in Louisiana swimming conditions are generally the same everywhere.
In august in New Orleans, Cameron, Grand Isle, Holly Beach, Houma, Lake Charles, Morgan City, Pecan Island, Port Sulphur and Slidell, swimming conditions are perfect! With water reaching a maximum of 90°F and an average of 87°F, going in the water (and staying there!) feels great.
Where to go swimming in Louisiana in august: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in august
New Orleans
| August | |||
| Average sea temperature | 87°F | ||
| Minimum sea temperature | 84°F | ||
| Maximum sea temperature | 90°F | ||
| Average outside temperature | 86°F | ||
| Maximum outside temperature | 92°F | ||
| Minimum outside temperature | 81°F | ||
| Precipitation | 7.7in | ||
| Number of days of precipitation | 13 jour(s) (43%) | ||
| Cloud cover | 27% | ||
| Our opinion | ideal swimming |
More information on swimming in New Orleans in august
Cameron
| August | |||
| Average sea temperature | 88°F | ||
| Minimum sea temperature | 85°F | ||
| Maximum sea temperature | 90°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 92°F | ||
| Minimum outside temperature | 77°F | ||
| Precipitation | 10in | ||
| Number of days of precipitation | 12 jour(s) (39%) | ||
| Cloud cover | 29% | ||
| Our opinion | ideal swimming |
Grand Isle
| August | |||
| Average sea temperature | 88°F | ||
| Minimum sea temperature | 85°F | ||
| Maximum sea temperature | 92°F | ||
| Average outside temperature | 86°F | ||
| Maximum outside temperature | 88°F | ||
| Minimum outside temperature | 83°F | ||
| Precipitation | 11.3in | ||
| Number of days of precipitation | 16 jour(s) (51%) | ||
| Cloud cover | 26% | ||
| Our opinion | ideal swimming |
Holly Beach
| August | |||
| Average sea temperature | 88°F | ||
| Minimum sea temperature | 85°F | ||
| Maximum sea temperature | 91°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 92°F | ||
| Minimum outside temperature | 77°F | ||
| Precipitation | 10in | ||
| Number of days of precipitation | 12 jour(s) (39%) | ||
| Cloud cover | 29% | ||
| Our opinion | ideal swimming |
Houma
| August | |||
| Average sea temperature | 88°F | ||
| Minimum sea temperature | 84°F | ||
| Maximum sea temperature | 92°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 92°F | ||
| Minimum outside temperature | 79°F | ||
| Precipitation | 8.5in | ||
| Number of days of precipitation | 14 jour(s) (45%) | ||
| Cloud cover | 27% | ||
| Our opinion | ideal swimming |
List of coastal cities in Louisiana
| New Orleans in august | ideal swimming |
| Cameron in august | ideal swimming |
| Grand Isle in august | ideal swimming |
| Holly Beach in august | ideal swimming |
| Houma in august | ideal swimming |
| Lake Charles in august | ideal swimming |
| Morgan City in august | ideal swimming |
| Pecan Island in august | ideal swimming |
| Port Sulphur in august | ideal swimming |
| Slidell in august | ideal swimming |