Paraty

Rio de Janeiro State Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Rio de Janeiro State, Brazil in August.

Considering a trip to Rio de Janeiro State, Brazil this August and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Rio de Janeiro State in August

Rio de Janeiro State, Brazil 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 (73°F) in Trindade to 29°C (84°F) in Campos dos Goytacazes. Nighttime temperatures generally drop to 18°C (64°F) in Campos dos Goytacazes and 19°C (66°F) in Trindade.

To learn more about the conditions in specific areas of Rio de Janeiro State, Brazil, check out the map below.

Precipitation

In August, precipitation varies across different areas. From low rainfall in Campos dos Goytacazes with an average of 28 mm (1.1 in) to moderate rainfall in Paraty with 98 mm (3.9 in). Looking at the climate data spanning the last 30 years, this month usually has the lowest rainfall in Rio de Janeiro, marking it as the year's driest month.

Average sunshine

Sunshine is moderately available across various locations. In Rio de Janeiro, you can expect around 182 hours of sunlight in August, which gives a pleasant combination of sun and shade. For those who want maximum sunshine, our weather planner can point you toward the sunniest places on Earth.

Explore Rio de Janeiro State by month

Pick a month to see the average temperature, rainfall and sunshine in Rio de Janeiro State — and find the best time to visit. (based on Rio de Janeiro)

Best Places to Visit in Rio de Janeiro State in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Rio de Janeiro State.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Rio de Janeiro State

What is the weather like in August for some of the most popular destinations in Rio de Janeiro State, Brazil?

Temperature range in Rio de Janeiro State (August)

Precipitation variation in Rio de Janeiro State (August)

Rio de Janeiro

In August Rio de Janeiro generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 18°C (64°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
26°C (79°F)
27°C (81°F)
27°C (81°F)
Min temperature
18°C (64°F)
18°C (64°F)
19°C (66°F)
Monthly sun hours
183 hours
182 hours
144 hours
Monthly rainfall
53 mm (2.1 in)
45 mm (1.8 in)
85 mm (3.3 in)
Monthly rainy days
9 days
9 days
12 days
Weather conditions

Búzios

In August Búzios generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 20°C (68°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Min temperature
20°C (68°F)
20°C (68°F)
20°C (68°F)
Monthly rainfall
40 mm (1.6 in)
37 mm (1.5 in)
62 mm (2.4 in)
Monthly rainy days
12 days
10 days
12 days
Weather conditions

Paraty

In August Paraty generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 17°C (63°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
23°C (73°F)
23°C (73°F)
24°C (75°F)
Min temperature
17°C (63°F)
17°C (63°F)
18°C (64°F)
Monthly sun hours
111 hours
104 hours
80 hours
Monthly rainfall
110 mm (4.3 in)
98 mm (3.9 in)
186 mm (7.3 in)
Monthly rainy days
9 days
9 days
11 days
Weather conditions

Cabo Frio

In August Cabo Frio generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 20°C (68°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
24°C (75°F)
24°C (75°F)
25°C (77°F)
Min temperature
20°C (68°F)
20°C (68°F)
20°C (68°F)
Monthly rainfall
40 mm (1.6 in)
36 mm (1.4 in)
59 mm (2.3 in)
Monthly rainy days
11 days
10 days
12 days
Weather conditions

Ilha Grande

In August Ilha Grande generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 19°C (66°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Min temperature
19°C (66°F)
19°C (66°F)
19°C (66°F)
Monthly rainfall
72 mm (2.8 in)
60 mm (2.4 in)
104 mm (4.1 in)
Monthly rainy days
9 days
9 days
11 days
Weather conditions

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

Popular cities in August

Day & night temperatures, rainfall and average weather in Rio de Janeiro State in August.

City Weather Day temp Night temp Rainfall
Rio de Janeiro 27°C (81°F) 18°C (64°F) 45 mm (1.8 in)
Paraty 23°C (73°F) 17°C (63°F) 98 mm (3.9 in)
Búzios 25°C (77°F) 20°C (68°F) 37 mm (1.5 in)
Cabo Frio 24°C (75°F) 20°C (68°F) 36 mm (1.4 in)
Ilha Grande 24°C (75°F) 19°C (66°F) 60 mm (2.4 in)
Arraial do Cabo 24°C (75°F) 20°C (68°F) 35 mm (1.4 in)

Rio de Janeiro State weather in August: frequently asked questions

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

August in Rio de Janeiro State, Brazil brings perfect weather. In Rio de Janeiro, daytime temperatures are typically around 27°C (81°F) and nighttime lows hover near 18°C (64°F).

What is the average temperature in Rio de Janeiro State, Brazil in August?

Average temperatures in Rio de Janeiro State, Brazil during August range from a nighttime low near 18°C (64°F) to a daytime high around 27°C (81°F) in Rio de Janeiro.

Does Rio de Janeiro State, Brazil get a lot of rain in August?

Not particularly. Rio de Janeiro averages just 45 mm (1.8 in) of rain in August, making it a mostly dry month for Rio de Janeiro State, Brazil.

Is August a Good Time to Visit Rio de Janeiro State, Brazil?

We consider August to be one of the best times to travel to Rio de Janeiro State, Brazil. 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 poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Rio de Janeiro State.

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.

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