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March weather forecast in Porto Alegre

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

23 February, sun

	759 mmHg		79%
	4.3 m/s

23 February, Sunday. day, 29°; night, 21°; partly cloudy

24 February, mon

	759 mmHg		79%
	4.5 m/s

24 February, Monday. day, 29°; night, 21°; rain

25 February, tue

	758 mmHg		80%
	4.5 m/s

25 February, Tuesday. day, 29°; night, 21°; rain

26 February, wed

	759 mmHg		80%
	4.69 m/s

26 February, Wednesday. day, 29°; night, 21°; rain

27 February, thu

	759 mmHg		79%
	4.69 m/s

27 February, Thursday. day, 29°; night, 21°; clear

28 February, fri

	759 mmHg		78%
	4.6 m/s

28 February, Friday. day, 29°; night, 21°; clear

1 March, sat

	759 mmHg		78%
	4.8 m/s

1 March, Saturday. day, 29°; night, 20°; rain

2 March, sun

	759 mmHg		77%
	4.69 m/s

2 March, Sunday. day, 29°; night, 21°; partly cloudy

3 March, mon

	759 mmHg		79%
	4.69 m/s

3 March, Monday. day, 29°; night, 21°; overcast

4 March, tue

	759 mmHg		79%
	4.69 m/s

4 March, Tuesday. day, 29°; night, 21°; rain

5 March, wed

	759 mmHg		78%
	4.69 m/s

5 March, Wednesday. day, 29°; night, 21°; rain

6 March, thu

	759 mmHg		79%
	4.3 m/s

6 March, Thursday. day, 29°; night, 20°; clear

7 March, fri

	759 mmHg		78%
	4.5 m/s

7 March, Friday. day, 30°; night, 20°; clear

8 March, sat

	759 mmHg		79%
	4.3 m/s

8 March, Saturday. day, 30°; night, 21°; rain

9 March, sun

	759 mmHg		80%
	4.69 m/s

9 March, Sunday. day, 29°; night, 21°; rain

10 March, mon

	759 mmHg		80%
	4.69 m/s

10 March, Monday. day, 29°; night, 21°; rain

11 March, tue

	759 mmHg		77%
	5 m/s

11 March, Tuesday. day, 28°; night, 20°; clear

12 March, wed

	759 mmHg		77%
	4.69 m/s

12 March, Wednesday. day, 28°; night, 20°; rain

13 March, thu

	759 mmHg		78%
	4.6 m/s

13 March, Thursday. day, 28°; night, 20°; clear

14 March, fri

	759 mmHg		78%
	4.5 m/s

14 March, Friday. day, 29°; night, 20°; clear

15 March, sat

	759 mmHg		79%
	4.6 m/s

15 March, Saturday. day, 28°; night, 20°; rain

16 March, sun

	760 mmHg		78%
	4.5 m/s

16 March, Sunday. day, 28°; night, 19°; clear

17 March, mon

	760 mmHg		77%
	4.5 m/s

17 March, Monday. day, 28°; night, 19°; clear

18 March, tue

	760 mmHg		78%
	4.4 m/s

18 March, Tuesday. day, 28°; night, 19°; partly cloudy

19 March, wed

	760 mmHg		78%
	4.9 m/s

19 March, Wednesday. day, 28°; night, 20°; rain

20 March, thu

	760 mmHg		78%
	4.8 m/s

20 March, Thursday. day, 28°; night, 20°; rain

21 March, fri

	760 mmHg		79%
	4.9 m/s

21 March, Friday. day, 27°; night, 19°; rain

22 March, sat

	761 mmHg		78%
	4.8 m/s

22 March, Saturday. day, 27°; night, 19°; partly cloudy

23 March, sun

	760 mmHg		80%
	4.3 m/s

23 March, Sunday. day, 27°; night, 19°; rain

24 March, mon

	760 mmHg		80%
	4.9 m/s

24 March, Monday. day, 27°; night, 19°; rain

25 March, tue

	761 mmHg		78%
	5 m/s

25 March, Tuesday. day, 26°; night, 18°; clear

26 March, wed

	760 mmHg		78%
	4.9 m/s

26 March, Wednesday. day, 27°; night, 18°; overcast

27 March, thu

	761 mmHg		79%
	4.6 m/s

27 March, Thursday. day, 26°; night, 18°; overcast

28 March, fri

	761 mmHg		79%
	4.69 m/s

28 March, Friday. day, 27°; night, 19°; partly cloudy

29 March, sat

	761 mmHg		78%
	4.3 m/s

29 March, Saturday. day, 27°; night, 19°; clear

30 March, sun

	760 mmHg		77%
	4.4 m/s

30 March, Sunday. day, 28°; night, 19°; partly cloudy

31 March, mon

	761 mmHg		80%
	4.5 m/s

31 March, Monday. day, 27°; night, 18°; partly cloudy

1 April, tue

	761 mmHg		80%
	5 m/s

1 April, Tuesday. day, 26°; night, 19°; rain

2 April, wed

	761 mmHg		80%
	4.6 m/s

2 April, Wednesday. day, 27°; night, 18°; rain

3 April, thu

	761 mmHg		80%
	4.3 m/s

3 April, Thursday. day, 27°; night, 18°; clear

4 April, fri

	761 mmHg		78%
	4.6 m/s

4 April, Friday. day, 27°; night, 18°; partly cloudy

5 April, sat

	761 mmHg		78%
	4.6 m/s

5 April, Saturday. day, 26°; night, 18°; partly cloudy

Average data for 10 years

Porto Alegre March

9

sunny days

13

days with precipitation

6

cloudy days

9 sunny days; 13 days with precipitation; 6 cloudy days;

78

%

air humidity

2.8

m/s

WindS

120

mm of precipitation

(8% of annual average)

air humidity 78%; 120 millimeters of precipitation (8% of annual average); Wind southerly 2.8 Meters per second

Weather graphs for March

TemperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

SE

S

SE

SE

S

S

SE

S

SE

S

S

S

SE

S

S

SE

SE

SE

S

S

S

SE

SE

S

SE

S

S

S

S

S

S

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

Florianopolis
Chapecó
Blumenau
Fraiburgo
Gramado
Imbituba

Cities with similar weather in March

Miami
Varadero
Havana
Sydney
Ras al-Khaimah
Miami Beach
Puerto Plata
Lima
Brisbane

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

In March, the weather in Porto Alegre is typically hot. Average daily high temperature in March is about 28 degrees above zero. On average, Porto Alegre has 13 rainy, 9 sunny, 6 partly cloudy, and 3 cloudy days in March. The rains are usually heavy. March as well as January, February, and December is considered the most uncomfortable time to visit Porto Alegre.

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