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August weather forecast in Sydney

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		82%
	5.7 m/s		+17

27 July, Sunday. day, 21°; night, 17°; overcast

28 July, mon

	757 mmHg		82%
	5.5 m/s		+17

28 July, Monday. day, 22°; night, 16°; partly cloudy

29 July, tue

	757 mmHg		83%
	5.6 m/s		+18

29 July, Tuesday. day, 22°; night, 17°; rain

30 July, wed

	757 mmHg		84%
	5.5 m/s		+18

30 July, Wednesday. day, 21°; night, 17°; rain

31 July, thu

	757 mmHg		80%
	5.1 m/s		+18

31 July, Thursday. day, 23°; night, 17°; clear

1 August, fri

	758 mmHg		79%
	5.2 m/s		+18

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

2 August, sat

	758 mmHg		79%
	5.5 m/s		+18

2 August, Saturday. day, 22°; night, 17°; clear

3 August, sun

	758 mmHg		80%
	5.4 m/s		+18

3 August, Sunday. day, 22°; night, 17°; partly cloudy

4 August, mon

	758 mmHg		81%
	5.5 m/s		+19

4 August, Monday. day, 22°; night, 17°; overcast

5 August, tue

	758 mmHg		82%
	5.7 m/s		+19

5 August, Tuesday. day, 22°; night, 17°; rain

6 August, wed

	757 mmHg		82%
	5.6 m/s		+18

6 August, Wednesday. day, 22°; night, 17°; rain

7 August, thu

	757 mmHg		80%
	5.5 m/s		+18

7 August, Thursday. day, 22°; night, 17°; partly cloudy

8 August, fri

	758 mmHg		78%
	5.6 m/s		+18

8 August, Friday. day, 22°; night, 17°; partly cloudy

9 August, sat

	757 mmHg		80%
	6 m/s		+18

9 August, Saturday. day, 21°; night, 16°; rain

10 August, sun

	756 mmHg		81%
	6.1 m/s		+19

10 August, Sunday. day, 22°; night, 17°; rain

11 August, mon

	756 mmHg		80%
	5.7 m/s		+19

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

12 August, tue

	758 mmHg		80%
	5.6 m/s		+19

12 August, Tuesday. day, 22°; night, 17°; partly cloudy

13 August, wed

	758 mmHg		81%
	5.4 m/s		+19

13 August, Wednesday. day, 22°; night, 16°; overcast

14 August, thu

	757 mmHg		83%
	5.4 m/s		+19

14 August, Thursday. day, 22°; night, 17°; rain

15 August, fri

	758 mmHg		82%
	5.4 m/s		+19

15 August, Friday. day, 22°; night, 17°; rain

16 August, sat

	759 mmHg		81%
	5.3 m/s		+19

16 August, Saturday. day, 22°; night, 17°; partly cloudy

17 August, sun

	758 mmHg		81%
	5.8 m/s		+19

17 August, Sunday. day, 22°; night, 17°; rain

18 August, mon

	757 mmHg		81%
	6 m/s		+19

18 August, Monday. day, 21°; night, 16°; rain

19 August, tue

	756 mmHg		81%
	5.9 m/s		+19

19 August, Tuesday. day, 22°; night, 16°; rain

20 August, wed

	758 mmHg		81%
	6 m/s		+19

20 August, Wednesday. day, 21°; night, 17°; rain

21 August, thu

	759 mmHg		80%
	5.3 m/s		+19

21 August, Thursday. day, 22°; night, 16°; partly cloudy

22 August, fri

	759 mmHg		81%
	5.9 m/s		+19

22 August, Friday. day, 22°; night, 17°; overcast

23 August, sat

	758 mmHg		81%
	5.9 m/s		+19

23 August, Saturday. day, 21°; night, 16°; overcast

24 August, sun

	758 mmHg		80%
	6.1 m/s		+19

24 August, Sunday. day, 20°; night, 16°; partly cloudy

25 August, mon

	758 mmHg		80%
	6 m/s		+19

25 August, Monday. day, 21°; night, 16°; clear

26 August, tue

	758 mmHg		79%
	5.9 m/s		+19

26 August, Tuesday. day, 21°; night, 16°; clear

27 August, wed

	757 mmHg		80%
	6.1 m/s		+19

27 August, Wednesday. day, 21°; night, 16°; rain

28 August, thu

	758 mmHg		78%
	6 m/s		+18

28 August, Thursday. day, 21°; night, 15°; clear

29 August, fri

	758 mmHg		79%
	6.4 m/s		+19

29 August, Friday. day, 20°; night, 15°; partly cloudy

30 August, sat

	757 mmHg		81%
	7.2 m/s		+19

30 August, Saturday. day, 20°; night, 15°; rain

31 August, sun

	757 mmHg		79%
	6.8 m/s		+18

31 August, Sunday. day, 20°; night, 15°; clear

1 September, mon

	757 mmHg		80%
	6.3 m/s		+18

1 September, Monday. day, 20°; night, 15°; rain

2 September, tue

	759 mmHg		79%
	6 m/s		+18

2 September, Tuesday. day, 19°; night, 14°; clear

3 September, wed

	759 mmHg		80%
	6.2 m/s		+18

3 September, Wednesday. day, 20°; night, 14°; clear

4 September, thu

	758 mmHg		81%
	6.2 m/s		+18

4 September, Thursday. day, 19°; night, 15°; rain

5 September, fri

	758 mmHg		80%
	6.6 m/s		+18

5 September, Friday. day, 19°; night, 15°; rain

6 September, sat

	759 mmHg		77%
	6.5 m/s		+18

6 September, Saturday. day, 19°; night, 14°; clear

Average data for 10 years

Sydney August

7

sunny days

12

days with precipitation

9

cloudy days

7 sunny days; 12 days with precipitation; 9 cloudy days;

80

%

air humidity

4.1

m/s

WindSW

98

mm of precipitation

(8% of annual average)

+19

°C

Water temperature

air humidity 80%; 98 millimeters of precipitation (8% of annual average); Wind south-westerly 4.1 Meters per second; Water temperature +19°

Weather graphs for August

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

SW

SW

S

SW

S

S

SW

SW

S

S

SW

S

SW

S

S

S

SW

SW

SW

S

S

SW

SW

SW

S

SW

SW

SW

SW

SW

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

Saint John
Halifax
Liverpool
New Glasgow
Deer Lake
Bridgewater
Bonaventure
Iles de la Madeleine
Charlottetown

Cities with similar weather in August

Copenhagen
Vancouver
Gdansk
Lima
Bruges
San Sebastian
San Jose
Rostock
Santander

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

August in Sydney is the warmest month of the year. In August, the weather in Sydney is typically warm. Average daily high temperature in August is about 21 degrees above zero. On average, Sydney has 12 rainy, 8 partly cloudy, 7 sunny, and 4 cloudy days in August. The rains are usually heavy.

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