Weather in Rio De Janeiro in August 2024
Average weather
Average temperature in Rio De Janeiro in August
The expected average maximum temperature in August is +77°F with a maximum of +91°F and a minimum of +61°F.
The average maximum temperature goes down 29% by the end of the month, compared with the beginning of the month, from +79°F to +70°F.
Is Rio De Janeiro warm or cold in August?
Rio De Janeiro is typically warm in August.
Maximum temperatures go up compared to the previous month from +77°F to +77°F. The minimum temperature also goes up from +64°F to +64°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is one of the coolest months in Rio De Janeiro, here is the comparison with other months:
Climate in Rio De Janeiro in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +77°F | +77°F | +79°F | ||||
| Min. temperature | ||||||
| +54°F | +55°F | +55°F | ||||
| Max. temperature | ||||||
| +95°F | +99°F | +99°F | ||||
| Rainfall | ||||||
| 50 mm | 44 mm | 78 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 77% | 76% | 76% | ||||
| Air pressure | ||||||
| 1018 HPa | 1018 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 14 | 13 | 9 | ||||
| Cloudy days | ||||||
| 12 | 13 | 14 | ||||
| Rainy days | ||||||
| 5 | 5 | 7 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as good as in July. The temperature levels stay the same in the area of +77°F for average maximum temperature during the day. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 50 mm to 44 mm. It feels drier, as humidity decreases from 77% to 76%. The average wind speed doesn’t change much during August, staying around 2 m/s. The days becoming less sunny, going from 14 sunny days in July to 13 in August.
September brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Rio De Janeiro is gradually increasing during August, going from 3 m/s to 4 m/s over the course of the month.
Rain
How was the weather last August in Rio De Janeiro?
Climate Change Over the Years
The climate in Rio De Janeiro in August has not changed that much over the last 43 years.
The average temperature was the lowest in 1983 (+77°F) and the highest in 1995 (+88°F). The driest year was 2001 with only 4 mm of rainfall, and the wettest year was 1984 with 136 mm.
FAQ
Is August a good time to visit Rio De Janeiro?
Can you sunbathe in Rio De Janeiro in August?
Is Rio De Janeiro rainy in August?
Is it sunny in Rio De Janeiro in August?
Other cities in Brazil
Monthly weather in Rio De Janeiro
Source of the data
For this page, we’ve looked at the typical weather in Rio De Janeiro, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
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.