Weatheo

São Carlos Weather by Month

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

Warmest month

September

30°C average high

Coolest month

July

11°C average low

Wettest month

January

113 mm of rain

Driest month

August

12 mm of rain

Average temperature and rainfall in São Carlos 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
January28°C19°C14°C / 37°C
113 mm
79%9 km/h
February29°C19°C14°C / 36°C
102 mm
80%9 km/h
March28°C18°C13°C / 35°C
113 mm
79%9 km/h
April27°C16°C7°C / 34°C
43 mm
74%9 km/h
May25°C13°C1°C / 32°C
24 mm
72%9 km/h
June25°C12°C0°C / 31°C
21 mm
70%9 km/h
July25°C11°C0°C / 32°C
14 mm
60%10 km/h
August27°C13°C2°C / 35°C
12 mm
57%11 km/h
September30°C15°C7°C / 39°C
33 mm
56%12 km/h
October29°C17°C10°C / 38°C
55 mm
67%12 km/h
November28°C18°C9°C / 39°C
80 mm
71%11 km/h
December28°C19°C12°C / 37°C
105 mm
75%10 km/h

Best time to visit São Carlos

The most comfortable time to visit São Carlos is generally May to July, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around January, totalling about 716 mm a year.

Travellers who prefer heat should aim for September, when highs average 30°C. January is the month to avoid if rain would spoil your plans — it averages 113 mm, roughly 9× the rainfall of the driest month (August).

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

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