Water temperature of the Gulf of Mexico in october Where to swim in the Gulf of Mexico in october 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 october.

The seasonal average for the water temperature in the month of october is between 77°F and 85°F. The lowest sea temperature measured this month is 71°F and the highest is 88°F.

The sea temperature map of the Gulf of Mexico in october

The map below presents a monthly average of the water temperature of the Gulf of Mexico for the month of october 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 october.

ideal swimming pleasant swimming cool swimming cold swimming freezing swimming

Where can you swim in the Gulf of Mexico in october?

Below, see the average temperatures measured in october in the different countries on the shores of the Gulf of Mexico.

Cuba

Sea temperature in october at the shore of the Gulf of Mexico:

83°F to 84°F

ideal swimming

United States

Sea temperature in october at the shore of the Gulf of Mexico:

78°F to 82°F

ideal swimming

Florida

Sea temperature in october at the shore of the Gulf of Mexico:

78°F to 83°F

ideal swimming

Louisiana

Sea temperature in october at the shore of the Gulf of Mexico:

77°F to 79°F

pleasant swimming

Mexico

Sea temperature in october at the shore of the Gulf of Mexico:

82°F to 85°F

ideal swimming

Water 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:

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