Weatheo

Niterói Weather by Month

Average temperatures, rainfall and humidity for Niterói, Brazil, month by month, built from OpenWeather’s historical records. Use it to see what a typical Niterói month looks like before you travel — then check the live Niterói forecast for the days ahead.

Warmest month

January

31°C average high

Coolest month

July

18°C average low

Wettest month

January

61 mm of rain

Driest month

July

20 mm of rain

Average temperature and rainfall in Niterói by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January31°C24°C19°C / 38°C
61 mm
78%12 km/h
February31°C24°C18°C / 38°C
60 mm
79%12 km/h
March30°C23°C18°C / 37°C
57 mm
80%12 km/h
April28°C22°C12°C / 36°C
36 mm
79%11 km/h
May27°C20°C11°C / 37°C
27 mm
80%10 km/h
June26°C19°C10°C / 34°C
24 mm
81%10 km/h
July26°C18°C10°C / 36°C
20 mm
78%11 km/h
August26°C18°C12°C / 37°C
27 mm
78%11 km/h
September28°C20°C12°C / 39°C
31 mm
78%12 km/h
October28°C21°C15°C / 37°C
54 mm
79%13 km/h
November28°C21°C15°C / 39°C
59 mm
80%13 km/h
December30°C23°C17°C / 38°C
54 mm
79%13 km/h

Best time to visit Niterói

The most comfortable time to visit Niterói is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around January, totalling about 509 mm a year.

Travellers who prefer heat should aim for January, when highs average 31°C. January is the month to avoid if rain would spoil your plans — it averages 61 mm, roughly 3× the rainfall of the driest month (July).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Niterói forecast for what is happening now.

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