Average weather in August in Rio de Janeiro (Rio de Janeiro State), Brazil

The average minimum temperature (usually the minimum temperature is noted during the night) in Rio de Janeiro in August is 18.0°C (64.4°F). The amount of rain in August is normal with an average of 51mm (2.0in). It rains on average a total of 5 days. The average maximum daytime temperature lies around 25.0°C (77°F). The sun will occasionally show itself with 178 hours of sunshine during the whole month. August is known as one of the best months to visit Rio de Janeiro.


So what to wear in August? Bring a rain jacket just in case since it will be raining a few days during this period. Also bring your shorts or a skirt because it can be very warm or even hot. With a water temperature of around 21.0°C (69.8°F), this is a great month to swim so bring your swimwear.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in August look at the numbers below.

Monthly Averages in August

Show in Fahrenheit

Min Temperature 18 °C
Max Temperature 25 °C
Water Temperature 21 °C
Chance of Rain 17%
Precipitation 51mm
Rainy Days 5
Sunshine Hours 178

Where to stay in Rio de Janeiro

What is the best place to go in August in Brazil?

Find out more about the weather in August in Brazil and which places have the best weather conditions in this month.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in August.

Swimming
7/10
Cycling
10/10
Walking
10/10
Camping
8/10
Outdoor sports
10/10

Weather Forecasts for Rio de Janeiro (Rio de Janeiro State)

FRI Jun 24
30°C | 19°C
Sunny

Sunny

SAT Jun 25
26°C | 19°C
Patchy rain possible

Patchy rain possible

SUN Jun 26
20°C | 18°C
Moderate rain

Moderate rain

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Rio de Janeiro.

Our site offers climate and forecast data for almost all countries in the world. Are you going to Brazil? On this website you can find historical weather averages for many cities in Brazil. Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.