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Weather in August in Rio de Janeiro State

Are you planning a trip a to Rio de Janeiro State in August and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in Rio de Janeiro State in August?

Rio de Janeiro State is a region in Brazil. August in Rio de Janeiro State generally has warm temperatures, with precipitation levels ranging from low to moderate.

Temperatures

The average maximum temperatures are warm and range from 23°C in Trindade to 29°C in Campos dos Goytacazes. Nighttime temperatures generally drop to 18°C in Campos dos Goytacazes and 19°C in Trindade.

Precipitation

In August, precipitation varies across different areas. From low rainfall in Campos dos Goytacazes with an average of 28 mm to moderate rainfall in Paraty with 98 mm. In Rio de Janeiro, this particular month consistently records the lowest levels of rainfall, making it the driest period throughout the entire year.

Average sunshine

Most areas experience a moderate amount of sunshine, with approximately 182 hours of sunlight expected in Rio de Janeiro. This makes it neither too gloomy nor overly bright.

For specific regional insights in Rio de Janeiro State for August, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Rio de Janeiro State climate page.

Where to go in Rio de Janeiro State in August

Find more information for the most popular destinations in the Rio de Janeiro State on the map below. Click on a destination dot for more detailes.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in August for the 5 most popular destinations in Rio de Janeiro State?

Rio de Janeiro

In August Rio de Janeiro generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 18°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Rio de Janeiro
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
26°C 
18°C 
183 hours 
53 mm 
9 days 
27°C 
18°C 
182 hours 
45 mm 
9 days 
27°C 
19°C 
144 hours 
85 mm 
12 days 
Climate in Rio de Janeiro

Búzios

In August Búzios generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 20°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Búzios
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
25°C 
20°C 
40 mm 
12 days 
25°C 
20°C 
37 mm 
10 days 
25°C 
20°C 
62 mm 
12 days 
Climate in Búzios

Paraty

In August Paraty generally has high temperatures with maximum daytime temperatures around 23°C, minimum nighttime temperatures around 17°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Paraty
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
23°C 
17°C 
111 hours 
110 mm 
9 days 
23°C 
17°C 
104 hours 
98 mm 
9 days 
24°C 
18°C 
80 hours 
186 mm 
11 days 
Climate in Paraty

Cabo Frio

In August Cabo Frio generally has high temperatures with maximum daytime temperatures around 24°C, minimum nighttime temperatures around 20°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Cabo Frio
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
24°C 
20°C 
40 mm 
11 days 
24°C 
20°C 
36 mm 
10 days 
25°C 
20°C 
59 mm 
12 days 
Climate in Cabo Frio

Ilha Grande

In August Ilha Grande generally has high temperatures with maximum daytime temperatures around 24°C, minimum nighttime temperatures around 19°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Ilha Grande
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
24°C 
19°C 
72 mm 
9 days 
24°C 
19°C 
60 mm 
9 days 
24°C 
19°C 
104 mm 
11 days 
Climate in Ilha Grande

Is your destination not in the list? Have a look at other destinations in Rio de Janeiro State, in Brazil.

Is August the best time to visit Rio de Janeiro State?

We consider August to be one of the best times to travel to Rio de Janeiro State. Typically, the climate in Rio de Janeiro is perfect.

Generally speaking, May, June, July, August and September provide perfect weather in Rio de Janeiro. On the other hand, the months of January and December tend to have unpleasant weather conditions.

Interested in more climate information?

We have much more information about the climate in Rio de Janeiro State. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Brazil? Get detailed 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 travel conditions. Find out where to go with our weather planner.