Rio de Janeiro in may: average Weather, Temperature and Climate
Weather in Rio de Janeiro in may 2025
The weather in Rio de Janeiro in may comes from statistical datas on the last years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout may
good weather UV index: 6
Weather at 6am
70°F
Clear/Sunny
43% of time
26%
17%
6%
Weather at 12pm
79°F
Clear/Sunny
53% of time
21%
19%
6%
Weather at 6pm
74°F
Clear/Sunny
46% of time
26%
20%
5%
Weather at 3am
70°F
44%
23%
15%
8%
Evolution of daily average temperature and precipitation in Rio de Janeiro in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Rio de Janeiro in may.
The climate of Rio de Janeiro in may is good
the weather in Rio de Janeiro in may is rather dry (with 4.3in of precipitation over 6 days). It should be noted an improvement from the previous month since in april it receives an average of 4.9in of precipitation over 7 days.
The climate quite enjoyable in that locality this month. The high seasonal norm is 79°F. In the morning the temperature drops to 70°F. Thus, the mean temperature average in may in Rio de Janeiro is 76°F. These temperatures are far removed from those records observed in Rio de Janeiro in the month of may with a maximum record of 94°F in 2019 and a minimum record of 61°F in 2009. You You can hope to have about 4 days with temperatures over 86°F, or 13 of time.
In may in Rio de Janeiro, the days on average last 11:02. Sunrise is at 06:18 and sets at 17:20.
With a good climate, the month of may is advisable to go there in Brazil.
Seasonal average climate and temperature of Rio de Janeiro in may
Check below seasonal norms These datas are set from the weather statements earlier years of may.
| May | |||||
| Outside temperature | |||||
| Average temperature | 76°F | ||||
| Highest temperature | 79°F | ||||
| Lowest temperature | 70°F | ||||
| Highest record temperature | 94°F (2019) | ||||
| Lowest record temperature | 61°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 | 76°F | ||||
| Lowest sea temperature | 73°F | ||||
| Highest sea temperature | 79°F | ||||
| Wind | |||||
| Wind speed | 13km/h | ||||
| Wind temperature | 70°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4.3in | ||||
| Number of days with rainfall | 6 day(s) (18%) | ||||
| Record daily rainfall | 2.5in (2017) | ||||
| Other climate data | |||||
| Humidity | 86% | ||||
| Visibility | 9.43km | ||||
| Cloud cover | 32% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 8 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:18 | ||||
| Time of sunset | 17:20 | ||||
| Length of day | 11:02 | ||||
| Our opinion about the weather in may | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last may?
Here is the day by day recorded weather in Rio de Janeiro in may 2024:
74°F to 86°F
76°F to 90°F
77°F to 85°F
72°F to 86°F
74°F to 86°F
70°F to 85°F
72°F to 86°F
74°F to 88°F
76°F to 90°F
72°F to 81°F
72°F to 85°F
76°F to 90°F
76°F to 92°F
74°F to 81°F
72°F to 74°F
70°F to 81°F
74°F to 90°F
76°F to 85°F
72°F to 81°F
72°F to 85°F
74°F to 76°F
70°F to 81°F
70°F to 86°F
72°F to 88°F
72°F to 76°F
68°F to 68°F
70°F to 76°F
70°F to 79°F
70°F to 74°F
67°F to 72°F
63°F to 72°F
Map: other cities in Brazil in may
Cities near Rio de Janeiro:
| Petropolis in may | good weather |
| Itaguai in may | good weather |
| Araruama in may | good weather |
| Ilha Grande in may | good weather |
| Angra dos Reis in may | good weather |
| Cabo Frio in may | good weather |
| Macaé in may | perfect weather |
| Paraty in may | good weather |
| Trindade in may | good weather |
| Campos dos Goytacazes in may | perfect weather |
| Caraguatatuba in may | good weather |
| Ouro Preto in may | tolerable weather |
Click over cities on the map for information about the weather in may.
Rio de Janeiro
perfect weather
good
tolerable
bad
very bad
Weather data for Rio de Janeiro in may:
Weather data for Rio de Janeiro for may 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.