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August weather forecast in Perth

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

	763 mmHg		75%
	7.4 m/s		+17

27 July, Sunday. day, 17°; night, 12°; rain

28 July, mon

	763 mmHg		75%
	7.1 m/s		+18

28 July, Monday. day, 17°; night, 12°; rain

29 July, tue

	762 mmHg		76%
	7.4 m/s		+18

29 July, Tuesday. day, 17°; night, 12°; rain

30 July, wed

	763 mmHg		75%
	7 m/s		+18

30 July, Wednesday. day, 17°; night, 12°; rain

31 July, thu

	764 mmHg		76%
	8.1 m/s		+17

31 July, Thursday. day, 17°; night, 11°; rain

1 August, fri

	764 mmHg		75%
	8.1 m/s		+18

1 August, Friday. day, 17°; night, 11°; rain

2 August, sat

	765 mmHg		74%
	7.1 m/s		+18

2 August, Saturday. day, 17°; night, 11°; partly cloudy

3 August, sun

	765 mmHg		76%
	6.6 m/s		+18

3 August, Sunday. day, 17°; night, 11°; rain

4 August, mon

	765 mmHg		75%
	6.1 m/s		+18

4 August, Monday. day, 17°; night, 11°; clear

5 August, tue

	765 mmHg		75%
	6.5 m/s		+18

5 August, Tuesday. day, 17°; night, 11°; partly cloudy

6 August, wed

	764 mmHg		76%
	7 m/s		+18

6 August, Wednesday. day, 17°; night, 12°; rain

7 August, thu

	764 mmHg		76%
	6.4 m/s		+17

7 August, Thursday. day, 17°; night, 12°; rain

8 August, fri

	763 mmHg		75%
	7.5 m/s		+17

8 August, Friday. day, 17°; night, 11°; rain

9 August, sat

	763 mmHg		74%
	7.2 m/s		+18

9 August, Saturday. day, 17°; night, 11°; rain

10 August, sun

	763 mmHg		75%
	7.3 m/s		+18

10 August, Sunday. day, 17°; night, 11°; rain

11 August, mon

	764 mmHg		74%
	6.4 m/s		+18

11 August, Monday. day, 17°; night, 11°; partly cloudy

12 August, tue

	763 mmHg		73%
	7.2 m/s		+18

12 August, Tuesday. day, 17°; night, 12°; clear

13 August, wed

	763 mmHg		74%
	7 m/s		+18

13 August, Wednesday. day, 17°; night, 11°; rain

14 August, thu

	763 mmHg		75%
	7.6 m/s		+18

14 August, Thursday. day, 17°; night, 12°; rain

15 August, fri

	763 mmHg		76%
	7.7 m/s		+17

15 August, Friday. day, 17°; night, 11°; rain

16 August, sat

	764 mmHg		75%
	7 m/s		+18

16 August, Saturday. day, 17°; night, 12°; rain

17 August, sun

	764 mmHg		75%
	7.1 m/s		+18

17 August, Sunday. day, 17°; night, 11°; clear

18 August, mon

	765 mmHg		73%
	6.1 m/s		+18

18 August, Monday. day, 17°; night, 11°; clear

19 August, tue

	765 mmHg		76%
	5.9 m/s		+17

19 August, Tuesday. day, 17°; night, 12°; partly cloudy

20 August, wed

	764 mmHg		76%
	6.1 m/s		+17

20 August, Wednesday. day, 17°; night, 12°; partly cloudy

21 August, thu

	764 mmHg		75%
	6.9 m/s		+17

21 August, Thursday. day, 17°; night, 11°; partly cloudy

22 August, fri

	764 mmHg		73%
	7.3 m/s		+18

22 August, Friday. day, 17°; night, 11°; clear

23 August, sat

	764 mmHg		73%
	6.9 m/s		+19

23 August, Saturday. day, 17°; night, 11°; partly cloudy

24 August, sun

	765 mmHg		71%
	6.7 m/s		+19

24 August, Sunday. day, 17°; night, 11°; clear

25 August, mon

	764 mmHg		72%
	6.5 m/s		+19

25 August, Monday. day, 18°; night, 12°; clear

26 August, tue

	764 mmHg		74%
	6.5 m/s		+20

26 August, Tuesday. day, 18°; night, 12°; clear

27 August, wed

	762 mmHg		75%
	6 m/s		+19

27 August, Wednesday. day, 18°; night, 12°; clear

28 August, thu

	761 mmHg		77%
	6.5 m/s		+19

28 August, Thursday. day, 18°; night, 12°; partly cloudy

29 August, fri

	762 mmHg		77%
	7.3 m/s		+18

29 August, Friday. day, 17°; night, 11°; rain

30 August, sat

	763 mmHg		74%
	6.4 m/s		+18

30 August, Saturday. day, 17°; night, 12°; partly cloudy

31 August, sun

	763 mmHg		74%
	6.8 m/s		+18

31 August, Sunday. day, 17°; night, 12°; partly cloudy

1 September, mon

	763 mmHg		74%
	7.3 m/s		+18

1 September, Monday. day, 17°; night, 11°; rain

2 September, tue

	763 mmHg		73%
	7.6 m/s		+18

2 September, Tuesday. day, 17°; night, 11°; rain

3 September, wed

	763 mmHg		73%
	7.3 m/s		+19

3 September, Wednesday. day, 17°; night, 11°; rain

4 September, thu

	763 mmHg		74%
	6.6 m/s		+19

4 September, Thursday. day, 17°; night, 11°; rain

5 September, fri

	762 mmHg		73%
	7.7 m/s		+20

5 September, Friday. day, 17°; night, 11°; rain

6 September, sat

	763 mmHg		71%
	7.8 m/s		+19

6 September, Saturday. day, 17°; night, 11°; rain

Average data for 10 years

Perth August

9

sunny days

12

days with precipitation

1

cloudy day

9 sunny days; 12 days with precipitation; 1 cloudy day;

75

%

air humidity

4.69

m/s

WindS

95

mm of precipitation

(17% of annual average)

+18

°C

Water temperature

air humidity 75%; 95 millimeters of precipitation (17% of annual average); Wind southerly 4.69 Meters per second; Water temperature +18°

Weather graphs for August

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

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

SW

SW

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

Albany
Karratha
Esperance
Laverton
Newman
Fremantle
Rockingham
Mandurah
Bunbury

Cities with similar weather in August

Tallinn
Cholpon-Ata
Sydney
Oslo
San Francisco
Palanga
Dublin
Capetown
Looe

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

August in Perth is the cloudiest month of the year. In August, the weather in Perth is typically warm. Average daily high temperature in August is about 17 degrees above zero. On average, Perth has 12 rainy, 10 partly cloudy, and 9 sunny days in August. The rains are usually heavy. August as well as June and July is considered the most uncomfortable time to visit Perth.

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