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Santo André Weather by Month
Average temperatures, rainfall and humidity for Santo André, Brazil, month by month, built from OpenWeather’s historical records. Use it to see what a typical Santo André month looks like before you travel — then check the live Santo André forecast for the days ahead.
Warmest month
January
28°C average high
Coolest month
July
13°C average low
Wettest month
March
115 mm of rain
Driest month
July
30 mm of rain
Average temperature and rainfall in Santo André by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 28°C | 19°C | 15°C / 35°C | 75 mm | 76% | 12 km/h |
| February | 28°C | 20°C | 14°C / 35°C | 72 mm | 75% | 12 km/h |
| March | 28°C | 19°C | 2°C / 34°C | 115 mm | 77% | 12 km/h |
| April | 26°C | 18°C | 6°C / 33°C | 37 mm | 76% | 12 km/h |
| May | 24°C | 15°C | 7°C / 32°C | 51 mm | 75% | 11 km/h |
| June | 23°C | 14°C | 6°C / 30°C | 38 mm | 76% | 10 km/h |
| July | 23°C | 13°C | 1°C / 32°C | 30 mm | 71% | 11 km/h |
| August | 24°C | 14°C | 3°C / 32°C | 34 mm | 71% | 12 km/h |
| September | 26°C | 16°C | 7°C / 36°C | 42 mm | 71% | 12 km/h |
| October | 26°C | 17°C | 9°C / 36°C | 66 mm | 77% | 13 km/h |
| November | 26°C | 17°C | 10°C / 37°C | 53 mm | 76% | 13 km/h |
| December | 28°C | 19°C | 12°C / 36°C | 80 mm | 76% | 13 km/h |
Best time to visit Santo André
The most comfortable time to visit Santo André is generally May and July to 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 693 mm a year.
Travellers who prefer heat should aim for January, when highs average 28°C. March is the month to avoid if rain would spoil your plans — it averages 115 mm, roughly 4× the rainfall of the driest month (July).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Santo André forecast for what is happening now.