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May weather forecast in Rio de Janeiro

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

27 April, sun

	759 mmHg		81%
	3.1 m/s		+25

27 April, Sunday. day, 27°; night, 20°; rain

28 April, mon

	760 mmHg		81%
	2.5 m/s		+25

28 April, Monday. day, 27°; night, 19°; rain

29 April, tue

	760 mmHg		81%
	2.6 m/s		+25

29 April, Tuesday. day, 27°; night, 19°; clear

30 April, wed

	760 mmHg		82%
	2.8 m/s		+25

30 April, Wednesday. day, 27°; night, 19°; clear

1 May, thu

	760 mmHg		81%
	2.7 m/s		+25

1 May, Thursday. day, 27°; night, 19°; clear

2 May, fri

	760 mmHg		81%
	2.6 m/s		+25

2 May, Friday. day, 28°; night, 19°; clear

3 May, sat

	760 mmHg		81%
	2.7 m/s		+26

3 May, Saturday. day, 27°; night, 19°; clear

4 May, sun

	760 mmHg		81%
	2.7 m/s		+25

4 May, Sunday. day, 28°; night, 19°; clear

5 May, mon

	760 mmHg		82%
	2.7 m/s		+24

5 May, Monday. day, 27°; night, 19°; clear

6 May, tue

	760 mmHg		82%
	2.9 m/s		+25

6 May, Tuesday. day, 27°; night, 19°; clear

7 May, wed

	760 mmHg		83%
	2.9 m/s		+25

7 May, Wednesday. day, 26°; night, 19°; rain

8 May, thu

	761 mmHg		82%
	2.5 m/s		+25

8 May, Thursday. day, 26°; night, 19°; rain

9 May, fri

	761 mmHg		83%
	2.9 m/s		+24

9 May, Friday. day, 26°; night, 18°; partly cloudy

10 May, sat

	761 mmHg		83%
	2.6 m/s		+24

10 May, Saturday. day, 25°; night, 18°; rain

11 May, sun

	761 mmHg		82%
	2.5 m/s		+25

11 May, Sunday. day, 26°; night, 18°; rain

12 May, mon

	760 mmHg		81%
	2.7 m/s		+25

12 May, Monday. day, 26°; night, 18°; clear

13 May, tue

	761 mmHg		82%
	2.6 m/s		+25

13 May, Tuesday. day, 26°; night, 18°; rain

14 May, wed

	761 mmHg		82%
	2.6 m/s		+24

14 May, Wednesday. day, 26°; night, 18°; rain

15 May, thu

	760 mmHg		83%
	2.6 m/s		+24

15 May, Thursday. day, 25°; night, 18°; rain

16 May, fri

	760 mmHg		83%
	2.7 m/s		+24

16 May, Friday. day, 26°; night, 18°; overcast

17 May, sat

	761 mmHg		83%
	2.6 m/s		+24

17 May, Saturday. day, 25°; night, 18°; rain

18 May, sun

	761 mmHg		83%
	2.9 m/s		+24

18 May, Sunday. day, 25°; night, 18°; rain

19 May, mon

	761 mmHg		83%
	2.9 m/s		+24

19 May, Monday. day, 25°; night, 18°; partly cloudy

20 May, tue

	761 mmHg		83%
	2.7 m/s		+24

20 May, Tuesday. day, 25°; night, 18°; partly cloudy

21 May, wed

	761 mmHg		83%
	2.6 m/s		+24

21 May, Wednesday. day, 26°; night, 18°; clear

22 May, thu

	761 mmHg		82%
	2.8 m/s		+24

22 May, Thursday. day, 26°; night, 17°; clear

23 May, fri

	761 mmHg		82%
	2.8 m/s		+24

23 May, Friday. day, 26°; night, 17°; partly cloudy

24 May, sat

	761 mmHg		83%
	2.6 m/s		+24

24 May, Saturday. day, 25°; night, 17°; rain

25 May, sun

	761 mmHg		83%
	2.4 m/s		+24

25 May, Sunday. day, 25°; night, 17°; partly cloudy

26 May, mon

	761 mmHg		81%
	2.6 m/s		+24

26 May, Monday. day, 25°; night, 17°; clear

27 May, tue

	761 mmHg		82%
	2.7 m/s		+24

27 May, Tuesday. day, 25°; night, 17°; clear

28 May, wed

	761 mmHg		83%
	2.5 m/s		+24

28 May, Wednesday. day, 26°; night, 17°; partly cloudy

29 May, thu

	761 mmHg		83%
	2.6 m/s		+24

29 May, Thursday. day, 25°; night, 18°; rain

30 May, fri

	761 mmHg		83%
	2.7 m/s		+24

30 May, Friday. day, 25°; night, 17°; rain

31 May, sat

	761 mmHg		84%
	2.7 m/s		+24

31 May, Saturday. day, 24°; night, 17°; partly cloudy

Average data for 10 years

Rio de Janeiro May

11

sunny days

12

days with precipitation

5

cloudy days

11 sunny days; 12 days with precipitation; 5 cloudy days;

82

%

air humidity

1.5

m/s

WindS

77

mm of precipitation

(5% of annual average)

+24

°C

Water temperature

air humidity 82%; 77 millimeters of precipitation (5% of annual average); Wind southerly 1.5 Meters per second; Water temperature +24°

Weather graphs for May

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

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S

S

S

S

SW

SW

S

S

S

S

SW

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

SW

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Sao Paulo
Belo Horizonte
Vitória
Santos
Buzios
Rio das Ostras
Araruama
Itaquaquecetuba
Volta Redonda

Cities with similar weather in May

Ayia Napa
Protaras
Aqaba
Eylat
Honolulu
Famagusta
Port Louis
Konibodom
Caracas

The weather forecast for May 2025 is based on historical data from the past 10 years.

In May, the weather in Rio de Janeiro is typically warm. Average daily high temperature in May is about 26 degrees above zero. On average, Rio de Janeiro has 12 rainy, 11 sunny, 7 partly cloudy, and 1 cloudy day in May. The rains are usually heavy.

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