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Sertãozinho Weather by Month
Average temperatures, rainfall and humidity for Sertãozinho, Brazil, month by month, built from OpenWeather’s historical records. Use it to see what a typical Sertãozinho month looks like before you travel — then check the live Sertãozinho forecast for the days ahead.
Warmest month
September
33°C average high
Coolest month
July
13°C average low
Wettest month
March
77 mm of rain
Driest month
July
3 mm of rain
Average temperature and rainfall in Sertãozinho 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 | 31°C | 20°C | 16°C / 38°C | 74 mm | 73% | 10 km/h |
| February | 31°C | 21°C | 16°C / 37°C | 56 mm | 74% | 9 km/h |
| March | 31°C | 20°C | 15°C / 38°C | 77 mm | 72% | 9 km/h |
| April | 30°C | 18°C | 9°C / 35°C | 32 mm | 69% | 9 km/h |
| May | 28°C | 15°C | 5°C / 35°C | 19 mm | 68% | 9 km/h |
| June | 27°C | 14°C | 2°C / 32°C | 10 mm | 66% | 9 km/h |
| July | 28°C | 13°C | 1°C / 33°C | 3 mm | 57% | 9 km/h |
| August | 30°C | 15°C | 5°C / 37°C | 7 mm | 52% | 10 km/h |
| September | 33°C | 18°C | 10°C / 41°C | 16 mm | 49% | 11 km/h |
| October | 33°C | 20°C | 10°C / 42°C | 43 mm | 60% | 11 km/h |
| November | 32°C | 20°C | 12°C / 40°C | 58 mm | 66% | 11 km/h |
| December | 32°C | 21°C | 15°C / 40°C | 72 mm | 71% | 10 km/h |
Best time to visit Sertãozinho
The most comfortable time to visit Sertãozinho 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 March, totalling about 468 mm a year.
Travellers who prefer heat should aim for September, when highs average 33°C. March is the month to avoid if rain would spoil your plans — it averages 77 mm, roughly 25× the rainfall of the driest month (July).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Sertãozinho forecast for what is happening now.
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