Best time to swim in Grand Isle in Louisiana Sea temperature by month
Do you want to swim in the sea in Grand Isle in Louisiana? But when is the best time to go to be sure to have pleasant water for swimming in Grand Isle and be able to swim without catching cold? This month, or a different one? The answer is on this page, with the sea water temperature by month in Grand Isle, based on the average temperatures recorded in previous years.
Best time to swim in Grand Isle: the water temperature by month
Do you feel like swimming in Grand Isle in Louisiana? Discover the average sea temperature for each month of the year (based on previous years' records) and our opinion on swimming in the table below.
| Month | Average Sea temperature | Our opinion |
|---|---|---|
| January | 62°F (min: 58°F/max: 67°F) | cold swimming |
| February | 63°F (min: 59°F/max: 68°F) | cold swimming |
| March | 67°F (min: 59°F/max: 75°F) | cool swimming |
| April | 74°F (min: 69°F/max: 79°F) | pleasant swimming |
| May | 79°F (min: 73°F/max: 85°F) | pleasant swimming |
| June | 85°F (min: 83°F/max: 87°F) | ideal swimming |
| July | 87°F (min: 85°F/max: 90°F) | ideal swimming |
| August | 88°F (min: 85°F/max: 92°F) | ideal swimming |
| September | 84°F (min: 80°F/max: 88°F) | ideal swimming |
| October | 79°F (min: 74°F/max: 84°F) | pleasant swimming |
| November | 72°F (min: 66°F/max: 78°F) | pleasant swimming |
| December | 65°F (min: 60°F/max: 69°F) | cool swimming |