Average monthly water temperature in Niterói, Brazil
On this page you find the mean water temperature over the year in Niterói (Rio de Janeiro State), Brazil. Dive into the water temperature trends, highlighting the best times for swimming and other activities.
Niterói offers consistently warm water temperatures year-round. The warmest month, February, averages 26°C (79°F).
Even in the coolest water temperature month, August, the average temperature is 21°C (70°F). These conditions are perfect for water activities and relaxation throughout the year.
Niterói Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Niterói - and find the best time to visit.
Niterói 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Niterói climate overview or explore weather in Brazil.
Popular this month
Where to go in July - average daytime high across popular destinations.
Fortaleza
31°C (88°F) Salvador
26°C (79°F) Rio de Janeiro
26°C (79°F) Búzios
25°C (77°F) Sao Paulo23°C (73°F) Paraty23°C (73°F) Florianópolis21°C (70°F) Gramado
19°C (66°F) 
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