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São Caetano do Sul Weather by Month
Average temperatures, rainfall and humidity for São Caetano do Sul, Brazil, month by month, built from OpenWeather’s historical records. Use it to see what a typical São Caetano do Sul month looks like before you travel — then check the live São Caetano do Sul forecast for the days ahead.
Warmest month
January
28°C average high
Coolest month
July
13°C average low
Wettest month
March
96 mm of rain
Driest month
July
32 mm of rain
Average temperature and rainfall in São Caetano do Sul 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 | 73 mm | 76% | 12 km/h |
| February | 28°C | 20°C | 13°C / 35°C | 60 mm | 76% | 12 km/h |
| March | 28°C | 19°C | 2°C / 34°C | 96 mm | 77% | 12 km/h |
| April | 26°C | 18°C | 6°C / 33°C | 33 mm | 76% | 12 km/h |
| May | 24°C | 15°C | 7°C / 32°C | 34 mm | 75% | 11 km/h |
| June | 23°C | 14°C | 6°C / 30°C | 35 mm | 75% | 10 km/h |
| July | 23°C | 13°C | 1°C / 32°C | 32 mm | 70% | 10 km/h |
| August | 24°C | 14°C | 1°C / 32°C | 35 mm | 70% | 11 km/h |
| September | 26°C | 16°C | 5°C / 36°C | 37 mm | 70% | 12 km/h |
| October | 26°C | 17°C | 10°C / 37°C | 59 mm | 76% | 13 km/h |
| November | 26°C | 17°C | 10°C / 37°C | 49 mm | 75% | 13 km/h |
| December | 28°C | 19°C | 12°C / 36°C | 66 mm | 74% | 13 km/h |
Best time to visit São Caetano do Sul
The most comfortable time to visit São Caetano do Sul 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 609 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 96 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 São Caetano do Sul forecast for what is happening now.