Average monthly water temperature in Cancún, Mexico

On this page you find the mean water temperature over the year in Cancún (Quintana Roo), Mexico. Discover the unique water temperature patterns, from its warmest to its coolest months.

Cancún offers consistently warm water temperatures year-round. The warmest month, August, averages 29°C (84°F).

Even in the coolest water temperature month, March, the average temperature is 26°C (79°F). These conditions are perfect for water activities and relaxation throughout the year.

Cancún 3-Day Forecast

10-Day Forecast

More climate data for Cancún

Temperature Rainfall Sunshine Water Temp

See the full Cancún climate overview or explore weather in Mexico.

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