Weatheo

Santo Agostinho Weather by Month

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

Warmest month

March

30°C average high

Coolest month

August

23°C average low

Wettest month

May

78 mm of rain

Driest month

October

22 mm of rain

Average temperature and rainfall in Santo Agostinho 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°C25°C18°C / 32°C
38 mm
78%14 km/h
February29°C25°C17°C / 32°C
37 mm
78%13 km/h
March30°C25°C20°C / 33°C
45 mm
79%13 km/h
April29°C25°C20°C / 32°C
65 mm
81%13 km/h
May29°C24°C18°C / 31°C
78 mm
84%13 km/h
June28°C23°C18°C / 31°C
62 mm
87%15 km/h
July27°C23°C19°C / 30°C
63 mm
87%17 km/h
August27°C23°C19°C / 30°C
49 mm
84%16 km/h
September28°C23°C16°C / 30°C
31 mm
81%16 km/h
October28°C24°C20°C / 31°C
22 mm
79%16 km/h
November29°C25°C18°C / 32°C
23 mm
78%16 km/h
December29°C25°C18°C / 32°C
34 mm
78%15 km/h

Best time to visit Santo Agostinho

The most comfortable time to visit Santo Agostinho is generally September to November, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around May, totalling about 548 mm a year.

Travellers who prefer heat should aim for March, when highs average 30°C. May is the month to avoid if rain would spoil your plans — it averages 78 mm, roughly 4× the rainfall of the driest month (October).

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

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