Water temperature of the Gulf of Mexico in august Where to swim in the Gulf of Mexico in august 2025?

Several countries border the seaside of the Gulf of Mexico, including: Cuba, United States, Florida, Louisiana and Mexico. We measure the water temperature daily in these countries and archive it in order to calculate monthly averages, like those of the month of august.

The seasonal average for the water temperature in the month of august is between 84°F and 88°F. The lowest sea temperature measured this month is 82°F and the highest is 92°F.

The sea temperature map of the Gulf of Mexico in august

The map below presents a monthly average of the water temperature of the Gulf of Mexico for the month of august for several coastal cities. You can zoom and move around on the map. By clicking on the markers, you can see sea temperature details by city in august.