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Piracicaba Weather by Month
Average temperatures, rainfall and humidity for Piracicaba, Brazil, month by month, built from OpenWeather’s historical records. Use it to see what a typical Piracicaba month looks like before you travel — then check the live Piracicaba forecast for the days ahead.
Warmest month
September
30°C average high
Coolest month
July
13°C average low
Wettest month
January
93 mm of rain
Driest month
July
14 mm of rain
Average temperature and rainfall in Piracicaba 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 | 29°C | 20°C | 15°C / 38°C | 93 mm | 73% | 11 km/h |
| February | 30°C | 20°C | 14°C / 37°C | 88 mm | 76% | 10 km/h |
| March | 29°C | 19°C | 14°C / 36°C | 93 mm | 76% | 10 km/h |
| April | 28°C | 18°C | 10°C / 34°C | 45 mm | 72% | 11 km/h |
| May | 26°C | 15°C | 5°C / 35°C | 23 mm | 71% | 11 km/h |
| June | 25°C | 14°C | 1°C / 31°C | 21 mm | 70% | 10 km/h |
| July | 26°C | 13°C | 1°C / 32°C | 14 mm | 62% | 11 km/h |
| August | 28°C | 15°C | 3°C / 38°C | 14 mm | 58% | 13 km/h |
| September | 30°C | 17°C | 9°C / 41°C | 23 mm | 58% | 14 km/h |
| October | 30°C | 18°C | 10°C / 41°C | 54 mm | 66% | 14 km/h |
| November | 29°C | 19°C | 10°C / 41°C | 63 mm | 67% | 14 km/h |
| December | 30°C | 20°C | 13°C / 39°C | 84 mm | 70% | 12 km/h |
Best time to visit Piracicaba
The most comfortable time to visit Piracicaba 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 January, totalling about 617 mm a year.
Travellers who prefer heat should aim for September, when highs average 30°C. January is the month to avoid if rain would spoil your plans — it averages 93 mm, roughly 7× the rainfall of the driest month (July).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Piracicaba forecast for what is happening now.