Brazil weather in August

Are you planning a trip to Brazil in August and wondering what kind of weather to expect? Look no further than this page for all the information you need.

What is the weather like in Brazil in August?

The weather conditions in Brazil in August vary from tolerable to perfect depending on the destination.

During August in Brazil, the average maximum temperature varies from moderate in Cassino with 17°C (63°F) to very high in Conceicao with 37°C (98°F). Minimum nighttime temperatures generally drop to 23°C (73°F) in Conceicao and 12°C (54°F) in Cassino.

Precipitation in August varies from almost none in Floriano with an average of 0.5mm (0.02 inches) of rainfall to heavy in Boa Vista with 172mm (6.77 inches). It is the driest month of the year in Rio de Janeiro. It is also generally a moderately sunny time of year with an average of 182 hours of sunshine in Rio de Janeiro during the entire month.

To learn more about the weather conditions in specific areas of Brazil, check out the map below.

Where to go in Brazil in August

Find the average weather conditions in August for the most popular destinations in Brazil on the map below. Click on a destination dot for more detailed information.

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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 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

Popular destinations in Brazil

What is the weather like in August for the 5 most popular destinations in Brazil?

Average weather in Rio de Janeiro

In August Rio de Janeiro generally has high temperatures with maximum daytime temperatures around 27°C (80°F), minimum nighttime temperatures around 18°C (65°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

Rio de Janeiro
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
26°C / 79°F 
18°C / 64°F 
183 hours 
53mm / 2.07" 
9 days 
27°C / 80°F 
18°C / 65°F 
182 hours 
45mm / 1.79" 
9 days 
27°C / 81°F 
19°C / 66°F 
144 hours 
85mm / 3.33" 
12 days 
Climate in Rio de Janeiro

Average weather in Sao Paulo

In August Sao Paulo generally has high temperatures with maximum daytime temperatures around 25°C (76°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

Sao Paulo
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
23°C / 74°F 
12°C / 54°F 
187 hours 
60mm / 2.37" 
11 days 
25°C / 76°F 
13°C / 55°F 
175 hours 
46mm / 1.83" 
11 days 
26°C / 78°F 
15°C / 58°F 
152 hours 
102mm / 4.02" 
13 days 
Climate in Sao Paulo

Average weather in Florianópolis

In August Florianópolis generally has pleasant temperatures with maximum daytime temperatures around 22°C (71°F), minimum nighttime temperatures around 14°C (58°F) and high monthly rainfall. So on average the conditions are perfect that month.

Florianópolis
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
21°C / 69°F 
14°C / 56°F 
153 hours 
89mm / 3.51" 
14 days 
22°C / 71°F 
14°C / 58°F 
158 hours 
92mm / 3.61" 
14 days 
22°C / 72°F 
16°C / 60°F 
130 hours 
147mm / 5.80" 
19 days 
Climate in Florianópolis

Average weather in Gramado

In August Gramado generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 9°C (49°F) and high monthly rainfall. So on average the conditions are pleasant that month.

Gramado
Max temperature Max temp
Min temperature Min temp
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
19°C / 66°F 
8°C / 46°F 
176mm / 6.91" 
16 days 
21°C / 70°F 
9°C / 49°F 
144mm / 5.69" 
16 days 
22°C / 71°F 
11°C / 51°F 
187mm / 7.37" 
18 days 
Climate in Gramado

Average weather in Fortaleza

In August Fortaleza generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 24°C (76°F) and low monthly rainfall. So on average the conditions are perfect that month.

Fortaleza
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
31°C / 87°F 
24°C / 76°F 
267 hours 
43mm / 1.70" 
18 days 
31°C / 88°F 
24°C / 76°F 
292 hours 
13mm / 0.50" 
12 days 
31°C / 88°F 
25°C / 76°F 
283 hours 
8mm / 0.31" 
14 days 
Climate in Fortaleza

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

Is August the best time to go to Brazil?

In our opinion August is one of the best times to visit Brazil with commonly perfect weather in Rio de Janeiro. However, the weather conditions may vary depending on your destination.

On average the best time to visit Brazil is in May, June, July, August and September with generally perfect weather in Rio de Janeiro. The worst months are January and December that can have unpleasant weather conditions.

Interested in more climate information?

We have much more information about the climate in Brazil. 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 climate conditions. Find out where to go with our weather planner.