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August weather forecast in Castanhal

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 July, sun

	757 mmHg		81%
	3.3 m/s

27 July, Sunday. day, 32°; night, 23°; rain

28 July, mon

	757 mmHg		81%
	3.4 m/s

28 July, Monday. day, 32°; night, 23°; clear

29 July, tue

	757 mmHg		82%
	3.2 m/s

29 July, Tuesday. day, 32°; night, 23°; clear

30 July, wed

	757 mmHg		82%
	3.3 m/s

30 July, Wednesday. day, 32°; night, 23°; rain

31 July, thu

	757 mmHg		81%
	3.5 m/s

31 July, Thursday. day, 32°; night, 23°; clear

1 August, fri

	757 mmHg		81%
	3.2 m/s

1 August, Friday. day, 32°; night, 23°; rain

2 August, sat

	757 mmHg		80%
	3.2 m/s

2 August, Saturday. day, 32°; night, 23°; clear

3 August, sun

	757 mmHg		80%
	3.4 m/s

3 August, Sunday. day, 32°; night, 23°; partly cloudy

4 August, mon

	757 mmHg		80%
	3.5 m/s

4 August, Monday. day, 32°; night, 23°; rain

5 August, tue

	757 mmHg		80%
	3.6 m/s

5 August, Tuesday. day, 32°; night, 23°; clear

6 August, wed

	757 mmHg		80%
	3.5 m/s

6 August, Wednesday. day, 32°; night, 23°; clear

7 August, thu

	757 mmHg		80%
	3.6 m/s

7 August, Thursday. day, 32°; night, 23°; clear

8 August, fri

	757 mmHg		80%
	3.7 m/s

8 August, Friday. day, 32°; night, 23°; rain

9 August, sat

	757 mmHg		81%
	3.5 m/s

9 August, Saturday. day, 32°; night, 23°; partly cloudy

10 August, sun

	757 mmHg		80%
	3.5 m/s

10 August, Sunday. day, 32°; night, 23°; rain

11 August, mon

	757 mmHg		81%
	3.4 m/s

11 August, Monday. day, 32°; night, 23°; rain

12 August, tue

	757 mmHg		81%
	3.5 m/s

12 August, Tuesday. day, 32°; night, 23°; partly cloudy

13 August, wed

	757 mmHg		80%
	3.6 m/s

13 August, Wednesday. day, 32°; night, 23°; clear

14 August, thu

	756 mmHg		80%
	3.6 m/s

14 August, Thursday. day, 32°; night, 23°; clear

15 August, fri

	756 mmHg		80%
	3.7 m/s

15 August, Friday. day, 32°; night, 23°; rain

16 August, sat

	756 mmHg		80%
	3.7 m/s

16 August, Saturday. day, 32°; night, 23°; clear

17 August, sun

	756 mmHg		79%
	3.5 m/s

17 August, Sunday. day, 32°; night, 23°; clear

18 August, mon

	756 mmHg		80%
	3.6 m/s

18 August, Monday. day, 32°; night, 23°; rain

19 August, tue

	756 mmHg		79%
	3.6 m/s

19 August, Tuesday. day, 32°; night, 23°; clear

20 August, wed

	756 mmHg		78%
	3.5 m/s

20 August, Wednesday. day, 33°; night, 23°; rain

21 August, thu

	756 mmHg		79%
	3.6 m/s

21 August, Thursday. day, 33°; night, 23°; clear

22 August, fri

	756 mmHg		79%
	3.7 m/s

22 August, Friday. day, 32°; night, 23°; rain

23 August, sat

	756 mmHg		79%
	3.9 m/s

23 August, Saturday. day, 32°; night, 23°; rain

24 August, sun

	756 mmHg		79%
	4 m/s

24 August, Sunday. day, 32°; night, 23°; clear

25 August, mon

	756 mmHg		79%
	4 m/s

25 August, Monday. day, 32°; night, 23°; rain

26 August, tue

	756 mmHg		79%
	3.9 m/s

26 August, Tuesday. day, 32°; night, 23°; rain

27 August, wed

	756 mmHg		79%
	3.8 m/s

27 August, Wednesday. day, 32°; night, 23°; clear

28 August, thu

	756 mmHg		79%
	3.8 m/s

28 August, Thursday. day, 33°; night, 23°; rain

29 August, fri

	756 mmHg		80%
	3.9 m/s

29 August, Friday. day, 32°; night, 23°; rain

30 August, sat

	756 mmHg		79%
	4 m/s

30 August, Saturday. day, 32°; night, 23°; clear

31 August, sun

	756 mmHg		78%
	4.1 m/s

31 August, Sunday. day, 33°; night, 23°; clear

1 September, mon

	756 mmHg		78%
	3.9 m/s

1 September, Monday. day, 32°; night, 23°; rain

2 September, tue

	756 mmHg		77%
	3.8 m/s

2 September, Tuesday. day, 33°; night, 23°; clear

3 September, wed

	756 mmHg		78%
	3.9 m/s

3 September, Wednesday. day, 33°; night, 23°; clear

4 September, thu

	756 mmHg		77%
	4 m/s

4 September, Thursday. day, 33°; night, 23°; clear

5 September, fri

	756 mmHg		77%
	4.19 m/s

5 September, Friday. day, 33°; night, 23°; clear

6 September, sat

	756 mmHg		77%
	4.1 m/s

6 September, Saturday. day, 33°; night, 23°; clear

Average data for 10 years

Castanhal August

14

sunny days

14

days with precipitation

3

cloudy days

14 sunny days; 14 days with precipitation; 3 cloudy days;

80

%

air humidity

2.4

m/s

WindE

56

mm of precipitation

(3% of annual average)

air humidity 80%; 56 millimeters of precipitation (3% of annual average); Wind easterly 2.4 Meters per second

Weather graphs for August

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

E

E

E

E

E

E

E

E

E

E

NE

E

E

E

E

E

E

E

E

E

NE

NE

NE

E

NE

NE

NE

E

NE

NE

E

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

Macapá
Abaetetuba
Santa Luzia
Bonito
Paragominas
Cameta
Tucurui
Ananindeua
Marituba

Cities with similar weather in August

Tunis
Tel Aviv
Paphos
Rhodes
Sousse
Jerusalem
Male
Monastir
Haifa

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

August in Castanhal is the sunniest month of the year. In August, the weather in Castanhal is typically hot. Average daily high temperature in August is about 32 degrees above zero. On average, Castanhal has 14 rainy, 14 sunny, and 3 partly cloudy days in August. The rains are usually light.

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