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Cotia Weather by Month
Average temperatures, rainfall and humidity for Cotia, Brazil, month by month, built from OpenWeather’s historical records. Use it to see what a typical Cotia month looks like before you travel — then check the live Cotia forecast for the days ahead.
Warmest month
February
28°C average high
Coolest month
July
14°C average low
Wettest month
March
95 mm of rain
Driest month
August
20 mm of rain
Average temperature and rainfall in Cotia 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 | 20°C | 15°C / 36°C | 71 mm | 78% | 11 km/h |
| February | 28°C | 20°C | 13°C / 36°C | 64 mm | 79% | 11 km/h |
| March | 28°C | 19°C | 2°C / 34°C | 95 mm | 81% | 10 km/h |
| April | 26°C | 18°C | 6°C / 33°C | 33 mm | 80% | 11 km/h |
| May | 24°C | 16°C | 7°C / 32°C | 27 mm | 78% | 10 km/h |
| June | 23°C | 15°C | 6°C / 28°C | 23 mm | 78% | 9 km/h |
| July | 23°C | 14°C | 1°C / 32°C | 21 mm | 74% | 10 km/h |
| August | 24°C | 15°C | 3°C / 32°C | 20 mm | 73% | 11 km/h |
| September | 26°C | 17°C | 8°C / 36°C | 24 mm | 73% | 12 km/h |
| October | 26°C | 17°C | 10°C / 37°C | 58 mm | 78% | 12 km/h |
| November | 26°C | 18°C | 10°C / 37°C | 48 mm | 78% | 13 km/h |
| December | 28°C | 19°C | 13°C / 37°C | 65 mm | 77% | 12 km/h |
Best time to visit Cotia
The most comfortable time to visit Cotia 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 549 mm a year.
Travellers who prefer heat should aim for February, when highs average 28°C. March is the month to avoid if rain would spoil your plans — it averages 95 mm, roughly 5× the rainfall of the driest month (August).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Cotia forecast for what is happening now.
Weather across Brazil right now
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