Weather in Rio de Janeiro: May
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Average day temperature: | 80.8°F |
| Average night temperature: | 69.3°F | |
 |
Sea water temperature: | 74.5°F |
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Number of sunny days: | 19 days |
| Day length: | 10.8 - 11.3 hours | |
 |
Number of rainy days: | 4 days |
| Precipitation totals: | 2.4 in. | |
| more information | ||
14 days
forecast
forecast
| Rio de Janeiro |
sea water
temperature
temperature
| Rio de Janeiro |
Air temperature in May, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
15
30
45
60
75
90
105
120
| Day temperature | Night temperature |
The highest day temperature during May of 2024 was 89°F. At the same time the lowest night temperature was 65°F. Daily and nightly averages during May were 81.4°F and 72.1°F.
Sea water temperature in Rio de Janeiro in May, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
68
71
74
77
80
83
The average sea water temperature in May of 2024 was 74.9°F. The highest and lowest sea temperatures during the month were 76.5°F and 72.5°F.
Sunny, partly cloudy and cloudy days
| Sunny days | |
| Partly cloudy days | |
| Cloudy days |
58%
19%
23%
Mostly all days in May are sunny but cloudy days are also possible.
Precipitation total in May, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.0
2.0
2.9
3.9
4.9
5.9
6.9
4.9
5.7
4.8
3.0
2.8
1.5
1.6
3.8
3.4
4.9
4.5
4.9
5.7
4.8
3.0
2.8
1.5
1.6
2.6
3.8
3.4
4.9
4.5
Precipitation total value in Rio de Janeiro in May is 2.6 in. Other months of the year show relatively similar values.
Wind speed in May, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.2
2.4
3.6
4.8
6.1
7.3
8.5
6.0
6.8
7.1
6.9
6.6
5.9
5.6
6.0
5.6
5.4
5.6
6.0
6.8
7.1
6.9
6.6
5.9
5.6
5.9
6.0
5.6
5.4
5.6
The average wind speed value in May is 5.9 mph
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.3
2.7
4.0
5.3
6.6
8.0
9.3
6.1
6.4
5.0
7.7
7.7
7.8
7.3
6.9
7.6
7.3
6.7
6.1
6.4
5.0
7.7
7.7
7.8
7.3
7.3
6.9
7.6
7.3
6.7
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 7.3.
Best time for vacation in Rio de Janeiro
Rio de Janeiro on a weather map
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Places in Brazil:
Name
°F
24 Hours Forecast
Rio de Janeiro
Local time: 21:47
April 25, friday
0000
72°F
E
7 mph
7 mph
0300
72°F
E
2 mph
2 mph
0600
72°F
E
3 mph
3 mph
0900
75°F
NE
4 mph
4 mph
1200
73°F
NE
7 mph
7 mph
1500
72°F
NE
8 mph
8 mph
1800
72°F
E
6 mph
6 mph
2100
70°F
W
6 mph
6 mph
