Weather in Rio de Janeiro in august 2025

The weather in Rio de Janeiro in august comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.

Average weather throughout august

perfect weather UV index: 6

Weather at 6am
68°F

Partly Cloudy

22%

Moderate rain at times

14%

Cloudy

7%

Weather at 12pm
79°F

Partly Cloudy

17%

Moderate rain at times

16%

Cloudy

5%

Weather at 6pm
72°F

Moderate rain at times

19%

Partly Cloudy

17%

Cloudy

7%

Weather at 3am
68°F

Clear/Sunny

55%

Partly Cloudy

19%

Moderate rain at times

14%

Cloudy

9%



Evolution of daily average temperature and precipitation in Rio de Janeiro in august

These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Rio de Janeiro in august.


The climate of Rio de Janeiro in august is perfect

The month of August is one of the driest months of the year, which means that the sunny days are numerous throughout the month. As temperatures range from 19° C to 27° C, the beautiful and gentle mornings give way to superb afternoons.

Rio de Janeiro at the Beginning of August

The beginning of the month is the wettest period of the entire month of August although the precipitation decreases in intensity. For this reason, it is possible to count on the succession of many sunny and pleasantly warm days that characterize the weather in Rio de Janeiro throughout August for a successful summer vacation.

Rio de Janeiro in the Middle of August

Despite the slight decrease in temperatures, the climate throughout August in Rio de Janeiro has almost all the conditions to perfect the days one after the other. The many sunny days and the pleasant temperature are continuously present - from dawn to dusk.

Rio de Janeiro at the End of August

The climatic conditions of the last weeks of August have the same weather characteristics as those of the first days of the month: the rains are becoming scarce and favor many sunny days - while the relatively mild temperatures of the morning produce a pleasant atmosphere in the middle of the day.



Seasonal average climate and temperature of Rio de Janeiro in august

Check below seasonal norms These statistics are compiled from the weather statements of the last years of the month of august.

August
Outside temperature
Average temperature 74°F
Highest temperature 79°F
Lowest temperature 68°F
Highest record temperature 97°F
(2021)
Lowest record temperature 59°F
(2009)
Number of days at +86°F 4 day(s)
(13%)
Number of days at +65°F 31 day(s)
(100%)
Sea temperature
Average sea temperature 72°F
Lowest sea temperature 70°F
Highest sea temperature 75°F
Wind
Wind speed 16km/h
Wind temperature 68°F
Precipitation (rainfall)
Rainfall 2.7in
Number of days with rainfall 4 day(s)
(12%)
Record daily rainfall 1.8in
(2019)
Other climate data
Humidity 83%
Visibility 9.6km
Cloud cover 29%
UV index 6
Daily sunshine hours 8
Sunrise and sunset
Time of sunrise 06:17
Time of sunset 17:37
Length of day 11:20
Our opinion about the weather in august
Our opinion at whereandwhen.net perfect



How was the weather last august?

Here is the day by day recorded weather in Rio de Janeiro in august 2024:

01-08-2024
Clear/Sunny
65°F to 76°F
02-08-2024
Clear/Sunny
63°F to 77°F
03-08-2024
Clear/Sunny
65°F to 79°F
04-08-2024
Clear/Sunny
68°F to 83°F
05-08-2024
Clear/Sunny
70°F to 85°F
06-08-2024
Clear/Sunny
72°F to 85°F
07-08-2024
Clear/Sunny
70°F to 88°F
08-08-2024
Clear/Sunny
72°F to 90°F
09-08-2024
Clear/Sunny
70°F to 77°F
10-08-2024
Moderate or heavy rain shower
61°F to 70°F
11-08-2024
Clear/Sunny
61°F to 70°F
12-08-2024
Clear/Sunny
63°F to 72°F
13-08-2024
Patchy rain nearby
63°F to 67°F
14-08-2024
Clear/Sunny
58°F to 72°F
15-08-2024
Clear/Sunny
63°F to 77°F
16-08-2024
Clear/Sunny
67°F to 81°F
17-08-2024
Clear/Sunny
68°F to 83°F
18-08-2024
Clear/Sunny
68°F to 85°F
19-08-2024
Clear/Sunny
70°F to 86°F
20-08-2024
Clear/Sunny
72°F to 85°F
21-08-2024
Clear/Sunny
68°F to 77°F
22-08-2024
Clear/Sunny
68°F to 85°F
23-08-2024
Clear/Sunny
72°F to 90°F
24-08-2024
Clear/Sunny
72°F to 77°F
25-08-2024
Patchy rain nearby
68°F to 72°F
26-08-2024
Light rain shower
59°F to 63°F
27-08-2024
Clear/Sunny
61°F to 68°F
28-08-2024
Clear/Sunny
58°F to 72°F
29-08-2024
Clear/Sunny
61°F to 76°F
30-08-2024
Clear/Sunny
65°F to 79°F
31-08-2024
Clear/Sunny
67°F to 79°F

Map: other cities in Brazil in august

Cities near Rio de Janeiro:

Petropolis in augustperfect weather
Itaguai in augustgood weather
Araruama in augustperfect weather
Ilha Grande in augustperfect weather
Angra dos Reis in augustperfect weather
Cabo Frio in augustperfect weather
Macaé in augustperfect weather
Paraty in augustperfect weather
Trindade in augustperfect weather
Campos dos Goytacazes in augustperfect weather
Caraguatatuba in augustgood weather
Ouro Preto in augustgood weather
Brazil in august: See full list of cities

Click over cities on the map for information about the weather in august.

Legend: Rio de Janeiro perfect weather good tolerable bad very bad


Weather data for Rio de Janeiro in august:

Weather data for Rio de Janeiro for august are derived from an average of the weather forecast since 2009 in Rio de Janeiro. There is a margin of error and these forecasts are to be considered as general information only. The weather in Rio de Janeiro can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Rio de Janeiro.


Weather in july in Rio de Janeiro
Weather in september in Rio de Janeiro
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