Average monthly water temperature in Cozumel, Mexico
On this page you find the mean water temperature over the year in Cozumel (Quintana Roo), Mexico. Discover the unique water temperature patterns, from its warmest to its coolest months.
In Cozumel, water temperatures are consistently warm throughout the year. The warmest month is June, with an average water temperature of 29°C (84°F).
The coolest month is January, with an average temperature of 26°C (79°F). This makes Cozumel a year-round destination for swimming and other water-based activities.
Cozumel Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cozumel - and find the best time to visit.
Cozumel 3-Day Forecast
Temperature Rainfall Sunshine Water Temp
See the full Cozumel climate overview or explore weather in Mexico.
Popular this month
Where to go in September - average daytime high across popular destinations.
Puerto Peñasco
34°C (93°F) Los Cabos
32°C (90°F) Tulum31°C (88°F) Cancún30°C (86°F) Playa del Carmen31°C (88°F) Puerto Vallarta29°C (84°F) San Miguel de Allende
27°C (81°F) Mexico City23°C (73°F) 
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