Average monthly water temperature in Zihuatanejo, Mexico
On this page you find the mean water temperature over the year in Zihuatanejo (Guerrero), Mexico. Discover the unique water temperature patterns, from its warmest to its coolest months.
Water temperatures in Zihuatanejo remain warm year-round, perfect for aquatic activities. The warmest month, August, has an average temperature of 29°C (84°F).
The coolest water temperature month is January, averaging 25°C (77°F). Whether you’re swimming or just enjoying the water, Zihuatanejo offers ideal conditions year-round.
Zihuatanejo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Zihuatanejo - and find the best time to visit.
Zihuatanejo 3-Day Forecast
Temperature Rainfall Water Temp
See the full Zihuatanejo climate overview or explore weather in Mexico.
Popular this month
Where to go in August - average daytime high across popular destinations.
Puerto Peñasco
35°C (95°F) Los Cabos34°C (93°F) Playa del Carmen
31°C (88°F) Tulum31°C (88°F) Cancún
31°C (88°F) Puerto Vallarta
30°C (86°F) San Miguel de Allende28°C (82°F) Mexico City23°C (73°F) 
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