Weather in Brasilia in August 2025
- August is usually the driest month of the year in Brasilia
Average weather
Average temperature in Brasilia in August
The temperature in August is +29°C on average, with a range between a maximum of +33°C during the day and a minimum of +14°C at night.
The average maximum temperature goes up 11% by the end of the month, compared with the beginning of the month, from +28°C to +30°C.
Is Brasilia warm or cold in August?
Brasilia is typically warm in August.
Maximum temperatures go up compared to the previous month from +26°C to +28°C. The minimum temperature also goes up from +14°C to +15°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is one of the warmest months in Brasilia, here is the comparison with other months:
Climate in Brasilia in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +26°C | +28°C | +30°C | ||||
| Min. temperature | ||||||
| +7°C | +8°C | +9°C | ||||
| Max. temperature | ||||||
| +31°C | +34°C | +36°C | ||||
| Rainfall | ||||||
| 2 mm | 9 mm | 36 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 58% | 52% | 54% | ||||
| Air pressure | ||||||
| 1017 HPa | 1016 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 20 | 20 | 13 | ||||
| Cloudy days | ||||||
| 9 | 8 | 7 | ||||
| Rainy days | ||||||
| 1 | 3 | 8 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as great as in July. It’s getting warmer as August arrives. The average maximum temperature goes up from +26°C to +28°C during the day. Prepare for more rain. Average rainfall goes from 2 mm to 9 mm. It feels drier, as humidity decreases from 58% to 52%. The average wind speed doesn’t change much during August, staying around 2 m/s. The amount of sunny days stay about the same, averaging 20 sunny days during the month.
Next month (September) brings a further decline in the weather.
Wind
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Brasilia is gradually decreasing during August, going from 2 m/s to 1 m/s over the course of the month.
Rain
How was the weather last August in Brasilia?
Climate Change over Years
The climate in Brasilia in August has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+26°C) and the highest in 1998 (+29°C). The driest year was 2019 with only 963 mm of rainfall, and the wettest year was 1992 with 1971 mm.
FAQ
Is August a good time to visit Brasilia?
Can you sunbathe in Brasilia in August?
Is Brasilia rainy in August?
Is it sunny in Brasilia in August?
Other cities in Brazil
Monthly weather in Brasilia
Source of the data
For this page, we’ve looked at the typical weather in Brasilia, 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.