Weather in Sao Paulo in August 2025
- August is usually the driest month of the year in Sao Paulo
Average weather
Average temperature in Sao Paulo in August
Going from a maximum of +32°C during the day to a minimum of +11°C during the night, the temperature in August averages around +25°C.
The average maximum temperature goes up 5% by the end of the month, compared with the beginning of the month, from +24°C to +25°C.
Is Sao Paulo warm or cold in August?
Sao Paulo is typically warm in August.
Maximum temperatures go up compared to the previous month from +22°C to +23°C. The minimum temperature also goes up from +13°C to +13°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how August is compared to other months in Sao Paulo:
Climate in Sao Paulo in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +22°C | +23°C | +24°C | ||||
| Min. temperature | ||||||
| +3°C | +3°C | +6°C | ||||
| Max. temperature | ||||||
| +30°C | +34°C | +36°C | ||||
| Rainfall | ||||||
| 55 mm | 50 mm | 102 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 74% | 72% | 75% | ||||
| Air pressure | ||||||
| 1020 HPa | 1019 HPa | 1018 HPa | ||||
| Sunny days | ||||||
| 10 | 9 | 6 | ||||
| Cloudy days | ||||||
| 11 | 10 | 7 | ||||
| Rainy days | ||||||
| 10 | 11 | 15 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as good as in July. It’s getting warmer as August arrives. The average maximum temperature goes up from +22°C to +23°C during the day. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 55 mm to 50 mm. It feels drier, as humidity decreases from 74% to 72%. The average wind speed doesn’t change much during August, staying around 2 m/s. The days becoming less sunny, going from 10 sunny days in July to 9 in August.
Next month (September) brings a further decline in the weather.
Wind
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Sao Paulo is gradually decreasing during August, going from 3 m/s to 2 m/s over the course of the month.
Rain
How was the weather last August in Sao Paulo?
Climate Change over Years
The climate in Sao Paulo in August has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+23°C) and the highest in 2001 (+27°C). The driest year was 2007 with only 1215 mm of rainfall, and the wettest year was 2022 with 2680 mm.
FAQ
Is August a good time to visit Sao Paulo?
Can you sunbathe in Sao Paulo in August?
Is Sao Paulo rainy in August?
Is it sunny in Sao Paulo in August?
Other cities in Brazil
Monthly weather in Sao Paulo
Source of the data
For this page, we’ve looked at the typical weather in Sao Paulo, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.