Swimming in Louisiana in july 2025 Sea temperature by city in july
Do you want to go to the beach in Louisiana in july 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 july in Louisiana by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Louisiana in july 2025
Here, find the average sea temperature in Louisiana in july in several coastal cities.
86°F
min: 84°F / max: 88°F
Cameron
87°F
min: 85°F / max: 90°F
Grand Isle
87°F
min: 85°F / max: 90°F
Holly Beach
87°F
min: 85°F / max: 90°F
Houma
87°F
min: 85°F / max: 89°F
Lake Charles
87°F
min: 85°F / max: 90°F
Morgan City
87°F
min: 85°F / max: 90°F
Pecan Island
87°F
min: 85°F / max: 90°F
Port Sulphur
87°F
min: 85°F / max: 90°F
Slidell
86°F
min: 84°F / max: 89°F
Where should you go swimming in Louisiana in the month of july?
Swimming in Louisiana in july is ideal
In july in Louisiana swimming conditions are generally the same everywhere.
In july 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 88°F and an average of 86°F, going in the water (and staying there!) feels great.
Where to go swimming in Louisiana in july: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in july
New Orleans
| July | |||
| Average sea temperature | 86°F | ||
| Minimum sea temperature | 84°F | ||
| Maximum sea temperature | 88°F | ||
| Average outside temperature | 86°F | ||
| Maximum outside temperature | 92°F | ||
| Minimum outside temperature | 81°F | ||
| Precipitation | 6.7in | ||
| Number of days of precipitation | 12 jour(s) (39%) | ||
| Cloud cover | 28% | ||
| Our opinion | ideal swimming |
More information on swimming in New Orleans in july
Cameron
| July | |||
| Average sea temperature | 87°F | ||
| Minimum sea temperature | 85°F | ||
| Maximum sea temperature | 90°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 92°F | ||
| Minimum outside temperature | 79°F | ||
| Precipitation | 8.1in | ||
| Number of days of precipitation | 12 jour(s) (39%) | ||
| Cloud cover | 30% | ||
| Our opinion | ideal swimming |
Grand Isle
| July | |||
| Average sea temperature | 87°F | ||
| Minimum sea temperature | 85°F | ||
| Maximum sea temperature | 90°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 88°F | ||
| Minimum outside temperature | 83°F | ||
| Precipitation | 8in | ||
| Number of days of precipitation | 13 jour(s) (43%) | ||
| Cloud cover | 27% | ||
| Our opinion | ideal swimming |
Holly Beach
| July | |||
| Average sea temperature | 87°F | ||
| Minimum sea temperature | 85°F | ||
| Maximum sea temperature | 90°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 92°F | ||
| Minimum outside temperature | 79°F | ||
| Precipitation | 8.1in | ||
| Number of days of precipitation | 12 jour(s) (39%) | ||
| Cloud cover | 30% | ||
| Our opinion | ideal swimming |
Houma
| July | |||
| Average sea temperature | 87°F | ||
| Minimum sea temperature | 85°F | ||
| Maximum sea temperature | 89°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 90°F | ||
| Minimum outside temperature | 79°F | ||
| Precipitation | 7in | ||
| Number of days of precipitation | 12 jour(s) (37%) | ||
| Cloud cover | 29% | ||
| Our opinion | ideal swimming |
List of coastal cities in Louisiana
| New Orleans in july | ideal swimming |
| Cameron in july | ideal swimming |
| Grand Isle in july | ideal swimming |
| Holly Beach in july | ideal swimming |
| Houma in july | ideal swimming |
| Lake Charles in july | ideal swimming |
| Morgan City in july | ideal swimming |
| Pecan Island in july | ideal swimming |
| Port Sulphur in july | ideal swimming |
| Slidell in july | ideal swimming |