Rio de Janeiro weather in August (Rio de Janeiro State, Brazil)
What can you expect from the weather in Rio de Janeiro during August? This guide provides all the details you need.
In Rio de Janeiro, August is characterized by high temperatures and moderate rainfall. Throughout the day, temperatures typically settle at around 27°C. But by evening, they drop to around 18°C.
Rio de Janeiro in August usually receives moderate rainfall, averaging around 45 mm for the month. It is the driest month of the year. For those who prefer outdoor activities, it's a great time to explore without the huge concern of sudden downpours. Based on our climate data of the past 30 years, about 9 days of rain are anticipated.
The area experiences a moderate amount of sunshine, with approximately 182 hours of sunlight expected. This makes it neither too gloomy nor overly bright.
If you're inclined towards comfortable temperatures and drier conditions, August is a prime time to visit Rio de Janeiro. May, June, July, August and September typically offer the best circumstances. While January and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Rio de Janeiro climate page with graphs.
Rio de Janeiro, monthly averages in August
Min Temperature
18°C
Max Temperature
27°C
Water Temperature
21°C
Chance of Rain
30%
Precipitation
45 mm
Rainy days
9 days
Humidity
77%
Windspeed
11 km/h
Sunshine
182 hours
Percentage Sunshine
Where to go in Brazil in August
Find out more about the weather in Brazil in August and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Rio de Janeiro in August?
It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. With a water temperature of around 21°C this is a great month to swim so bring your swimwear.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in August.
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 every country 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 recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.
