Rio de Janeiro in august: average Weather, Temperature and Climate
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
Clear/Sunny
53% of time
22%
14%
7%
Weather at 12pm
79°F
Clear/Sunny
60% of time
17%
16%
5%
Weather at 6pm
72°F
Clear/Sunny
54% of time
19%
17%
7%
Weather at 3am
68°F
55%
19%
14%
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:
65°F to 76°F
63°F to 77°F
65°F to 79°F
68°F to 83°F
70°F to 85°F
72°F to 85°F
70°F to 88°F
72°F to 90°F
70°F to 77°F
61°F to 70°F
61°F to 70°F
63°F to 72°F
63°F to 67°F
58°F to 72°F
63°F to 77°F
67°F to 81°F
68°F to 83°F
68°F to 85°F
70°F to 86°F
72°F to 85°F
68°F to 77°F
68°F to 85°F
72°F to 90°F
72°F to 77°F
68°F to 72°F
59°F to 63°F
61°F to 68°F
58°F to 72°F
61°F to 76°F
65°F to 79°F
67°F to 79°F
Map: other cities in Brazil in august
Cities near Rio de Janeiro:
Petropolis in august | perfect weather |
Itaguai in august | good weather |
Araruama in august | perfect weather |
Ilha Grande in august | perfect weather |
Angra dos Reis in august | perfect weather |
Cabo Frio in august | perfect weather |
Macaé in august | perfect weather |
Paraty in august | perfect weather |
Trindade in august | perfect weather |
Campos dos Goytacazes in august | perfect weather |
Caraguatatuba in august | good weather |
Ouro Preto in august | good weather |
Click over cities on the map for information about the weather in august.
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.