Water temperature of the Gulf of Mexico in july Where to swim in the Gulf of Mexico in july 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 july.
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 july.
The seasonal average for the water temperature in the month of july is between 83°F and 87°F. The lowest sea temperature measured this month is 81°F and the highest is 90°F.
The sea temperature map of the Gulf of Mexico in july
The map below presents a monthly average of the water temperature of the Gulf of Mexico for the month of july 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 july.
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWhere can you swim in the Gulf of Mexico in july?
Below, see the average temperatures measured in july in the different countries on the shores of the Gulf of Mexico.
Cuba
85°F to 86°F
ideal swimmingUnited States
85°F to 87°F
ideal swimmingFlorida
85°F to 87°F
ideal swimmingLouisiana
86°F to 87°F
ideal swimmingMexico
83°F to 85°F
ideal swimmingWater temperature of the Gulf of Mexico: choose another month
See monthly seasonal averages of the water temperature of the Gulf of Mexico by clicking on the links below: