Rio de Janeiro

Brazil Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Brazil in August.

🔎
Rio de Janeiro Florianópolis Sao Paulo Fortaleza

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

What to Expect in Brazil in August

In August, Brazil experiences a range of weather conditions, with temperatures that range from mild to very hot and precipitation levels ranging from almost none to heavy.

Temperatures

During the day temperatures vary from mild in Cassino at 17°C (63°F) to very hot in Conceicao at 37°C (99°F). At night it cools down to 23°C (73°F) in Conceicao and 12°C (54°F) in Cassino.

To explore the conditions in Brazil in more detail, check the map below.

Precipitation

In August, precipitation varies across different areas. From almost no rainfall in São Félix do Tocantins with an average of 0.3 mm (0.01 in) to heavy rainfall in Boa Vista with 172 mm (6.8 in). Based on climate data from the last 30 years, Rio de Janeiro typically sees the least rain in this month, making it the driest month of the year.

Average sunshine

Sunshine amounts are decent in most places. Rio de Janeiro gets approximately 182 hours of sunlight in August, offering a reasonable amount of both bright and cloudy periods. Curious about sunnier destinations? Our weather planner makes it easy to find places worldwide with pleasant weather.

Explore Brazil by month

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

January31°C (88°F) February32°C (90°F) March31°C (88°F) April30°C (86°F) May27°C (81°F) June27°C (81°F) This monthJuly26°C (79°F) August27°C (81°F) September27°C (81°F) October28°C (82°F) November29°C (84°F) December30°C (86°F)
Best Time to Visit Brazil →

Best Places to Visit in Brazil in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Brazil.

Conditions Temperatures Precipitation
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 Brazil

What is the weather like in August for some of the most popular destinations in Brazil?

Temperature range in Brazil (August)

Precipitation variation in Brazil (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 excellent that month.

« July
August
September »
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
excellent
excellent
excellent
Climate in Rio de Janeiro →

Sao Paulo

In August Sao Paulo generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

« July
August
September »
July
August
September
Max temperature
23°C (73°F)
25°C (77°F)
26°C (79°F)
Min temperature
12°C (54°F)
13°C (55°F)
15°C (59°F)
Monthly sun hours
187 hours
175 hours
152 hours
Monthly rainfall
60 mm (2.4 in)
46 mm (1.8 in)
102 mm (4 in)
Monthly rainy days
11 days
11 days
13 days
Weather conditions
excellent
excellent
very good
Climate in Sao Paulo →

Florianópolis

In August Florianópolis generally has pleasant temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

« July
August
September »
July
August
September
Max temperature
21°C (70°F)
22°C (72°F)
22°C (72°F)
Min temperature
14°C (57°F)
14°C (57°F)
16°C (61°F)
Monthly sun hours
153 hours
158 hours
130 hours
Monthly rainfall
89 mm (3.5 in)
92 mm (3.6 in)
147 mm (5.8 in)
Monthly rainy days
14 days
14 days
19 days
Weather conditions
excellent
excellent
very good
Climate in Florianópolis →

Gramado

In August Gramado generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 9°C (48°F) and high monthly rainfall. So on average the conditions are very good that month.

« July
August
September »
July
August
September
Max temperature
19°C (66°F)
21°C (70°F)
22°C (72°F)
Min temperature
8°C (46°F)
9°C (48°F)
11°C (52°F)
Monthly rainfall
176 mm (6.9 in)
144 mm (5.7 in)
187 mm (7.4 in)
Monthly rainy days
16 days
16 days
18 days
Weather conditions
good
very good
good
Climate in Gramado →

Fortaleza

In August Fortaleza generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 24°C (75°F) and low monthly rainfall. So on average the conditions are excellent that month.

« July
August
September »
July
August
September
Max temperature
31°C (88°F)
31°C (88°F)
31°C (88°F)
Min temperature
24°C (75°F)
24°C (75°F)
25°C (77°F)
Monthly sun hours
267 hours
292 hours
283 hours
Monthly rainfall
43 mm (1.7 in)
13 mm (0.5 in)
8 mm (0.3 in)
Monthly rainy days
18 days
12 days
14 days
Weather conditions
very good
excellent
excellent
Climate in Fortaleza →

Is your destination not in the list? Have a look at all destinations in Brazil.

Popular cities in August

Day & night temperatures, rainfall and average weather in Brazil 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)
Florianópolis 22°C (72°F) 14°C (57°F) 92 mm (3.6 in)
Sao Paulo 25°C (77°F) 13°C (55°F) 46 mm (1.8 in)
Fortaleza 31°C (88°F) 24°C (75°F) 13 mm (0.5 in)
Salvador 26°C (79°F) 23°C (73°F) 94 mm (3.7 in)
Foz do Iguaçu 26°C (79°F) 14°C (57°F) 97 mm (3.8 in)

Brazil weather in August: frequently asked questions

What is the weather like in Brazil in August?

Brazil typically experiences excellent weather in August, part of the season. Daytime highs in Rio de Janeiro average around 27°C (81°F), and temperatures drop to about 18°C (64°F) at night.

What is the average temperature in Brazil in August?

In Rio de Janeiro, the average daytime high in August is 27°C (81°F), while nighttime temperatures drop to around 18°C (64°F).

Does Brazil get a lot of rain in August?

Rain is generally moderate to light in Brazil during August, with Rio de Janeiro averaging close to 45 mm (1.8 in).

Is August a Good Time to Visit Brazil?

We believe that August is one of the best times to visit Brazil with overall excellent weather in Rio de Janeiro. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in May, June, July, August and September offering mostly excellent weather in Rio de Janeiro. The weather in January and December, on the other hand, tends to be less favorable.

Interested in more climate information?

We have much more information about the climate in Brazil.

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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.

The 10 most alternative cities in South America

Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
The 5 most tranquil retreats in the Amazon Rainforest, Brazil

Discover top sustainable lodges in the Amazon. Enjoy unique wildlife, eco-friendly stays, and immersive experiences at Anavilhanas, Cristalino, and more.
An alternative way to discover Rio de Janeiro

Don't feel like seeing the traditional tourist sights in Rio de Janeiro? We have made an overview of the sights in Rio de Janeiro that you must see if you want to visit Rio in an alternative way.
Iguazu Falls

Iguazu Falls are among the largest waterfalls on earth. You will be speechless when you see this miracle of mother nature. They are included in the World Heritage List and have also been named one of the seven wonders of the world.
Must visit in Brazil →