Weatheo

Osasco Weather by Month

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

Warmest month

January

29°C average high

Coolest month

July

14°C average low

Wettest month

March

100 mm of rain

Driest month

August

33 mm of rain

Average temperature and rainfall in Osasco 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
January29°C20°C15°C / 36°C
78 mm
76%12 km/h
February28°C20°C13°C / 35°C
77 mm
76%11 km/h
March28°C20°C2°C / 34°C
100 mm
78%12 km/h
April26°C18°C6°C / 33°C
41 mm
77%12 km/h
May24°C16°C7°C / 33°C
37 mm
76%11 km/h
June23°C15°C6°C / 29°C
34 mm
76%10 km/h
July23°C14°C1°C / 32°C
33 mm
72%10 km/h
August24°C15°C1°C / 33°C
33 mm
71%11 km/h
September26°C17°C8°C / 36°C
72 mm
73%12 km/h
October26°C17°C10°C / 37°C
80 mm
77%13 km/h
November26°C18°C10°C / 37°C
56 mm
76%13 km/h
December28°C19°C13°C / 37°C
76 mm
75%13 km/h

Best time to visit Osasco

The most comfortable time to visit Osasco is generally May to June and August, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around March, totalling about 719 mm a year.

Travellers who prefer heat should aim for January, when highs average 29°C. March is the month to avoid if rain would spoil your plans — it averages 100 mm, roughly 3× the rainfall of the driest month (August).

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

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