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December 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

30 November, sun

	758 mmHg		73%
	6.9 m/s		+22

30 November, Sunday. day, 23°; night, 20°; rain

1 December, mon

	760 mmHg		66%
	7.8 m/s		+22

1 December, Monday. day, 23°; night, 20°; partly cloudy

2 December, tue

	759 mmHg		62%
	7.9 m/s		+22

2 December, Tuesday. day, 24°; night, 20°; overcast

3 December, wed

	760 mmHg		63%
	7 m/s		+22

3 December, Wednesday. day, 23°; night, 19°; partly cloudy

4 December, thu

	759 mmHg		72%
	7.3 m/s		+22

4 December, Thursday. day, 23°; night, 19°; rain

5 December, fri

	758 mmHg		64%
	7 m/s		+22

5 December, Friday. day, 22°; night, 18°; clear

6 December, sat

	758 mmHg		62%
	6.4 m/s		+22

6 December, Saturday. day, 22°; night, 19°; partly cloudy

7 December, sun

	759 mmHg		63%
	6.5 m/s		+22

7 December, Sunday. day, 24°; night, 20°; clear

8 December, mon

	759 mmHg		69%
	7.5 m/s		+22

8 December, Monday. day, 23°; night, 20°; overcast

9 December, tue

	758 mmHg		70%
	7.1 m/s		+22

9 December, Tuesday. day, 24°; night, 22°; rain

10 December, wed

	757 mmHg		64%
	7.5 m/s		+22

10 December, Wednesday. day, 24°; night, 20°; partly cloudy

11 December, thu

	758 mmHg		62%
	8.1 m/s		+22

11 December, Thursday. day, 24°; night, 19°; partly cloudy

12 December, fri

	760 mmHg		68%
	7.3 m/s		+21

12 December, Friday. day, 21°; night, 19°; rain

13 December, sat

	761 mmHg		68%
	7.4 m/s		+22

13 December, Saturday. day, 22°; night, 20°; clear

14 December, sun

	759 mmHg		63%
	7 m/s		+22

14 December, Sunday. day, 25°; night, 21°; rain

15 December, mon

	758 mmHg		63%
	7.5 m/s		+22

15 December, Monday. day, 24°; night, 20°; clear

16 December, tue

	759 mmHg		70%
	7.3 m/s		+22

16 December, Tuesday. day, 22°; night, 20°; partly cloudy

17 December, wed

	758 mmHg		66%
	7.5 m/s		+22

17 December, Wednesday. day, 24°; night, 21°; partly cloudy

18 December, thu

	758 mmHg		64%
	7 m/s		+22

18 December, Thursday. day, 24°; night, 21°; clear

19 December, fri

	757 mmHg		62%
	7.6 m/s		+22

19 December, Friday. day, 24°; night, 21°; rain

20 December, sat

	758 mmHg		61%
	8.5 m/s		+22

20 December, Saturday. day, 25°; night, 21°; clear

21 December, sun

	760 mmHg		66%
	7.9 m/s		+22

21 December, Sunday. day, 24°; night, 20°; clear

22 December, mon

	761 mmHg		70%
	5.8 m/s		+22

22 December, Monday. day, 23°; night, 21°; partly cloudy

23 December, tue

	760 mmHg		68%
	6.9 m/s		+22

23 December, Tuesday. day, 24°; night, 21°; partly cloudy

24 December, wed

	760 mmHg		67%
	8.1 m/s		+23

24 December, Wednesday. day, 25°; night, 20°; partly cloudy

25 December, thu

	759 mmHg		75%
	7 m/s		+22

25 December, Thursday. day, 23°; night, 20°; rain

26 December, fri

	758 mmHg		75%
	7.9 m/s		+22

26 December, Friday. day, 23°; night, 19°; clear

27 December, sat

	760 mmHg		72%
	7.1 m/s		+22

27 December, Saturday. day, 22°; night, 19°; overcast

28 December, sun

	760 mmHg		68%
	6.5 m/s		+22

28 December, Sunday. day, 22°; night, 20°; partly cloudy

29 December, mon

	759 mmHg		67%
	8.8 m/s		+23

29 December, Monday. day, 24°; night, 21°; partly cloudy

30 December, tue

	759 mmHg		62%
	5.9 m/s		+23

30 December, Tuesday. day, 24°; night, 21°; clear

31 December, wed

	759 mmHg		69%
	5.9 m/s		+23

31 December, Wednesday. day, 24°; night, 22°; clear

1 January, thu

	757 mmHg		64%
	7.5 m/s		+24

1 January, Thursday. day, 26°; night, 22°; partly cloudy

2 January, fri

	758 mmHg		73%
	7 m/s		+23

2 January, Friday. day, 24°; night, 20°; overcast

3 January, sat

	761 mmHg		70%
	6.5 m/s		+22

3 January, Saturday. day, 23°; night, 20°; rain

Average data for 10 years

Sydney December

11

sunny days

6

days with precipitation

14

cloudy days

11 sunny days; 6 days with precipitation; 14 cloudy days;

67

%

air humidity

4.4

m/s

WindE

65

mm of precipitation

(8% of annual average)

+22

°C

Water temperature

air humidity 67%; 65 millimeters of precipitation (8% of annual average); Wind easterly 4.4 Meters per second; Water temperature +22°

Weather graphs for December

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

E

E

E

SE

S

SE

E

E

NE

E

S

SE

E

E

NE

E

E

E

NE

E

SE

E

NE

E

E

S

SE

SE

SE

SE

NE

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

Canberra
Cessnock
Penrith
Batemans Bay
Dubbo
Newcastle
Armidale
Gosford
Wollongong

Cities with similar weather in December

Nha Trang
Sharm-El-Sheikh
Sanya
Abu Dhabi
Doha
Ras al-Khaimah
Fudjeyra
Lima
Dadonghai

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

December in Sydney is the windiest month of the year. In December, the weather in Sydney is typically warm. Average daily high temperature in December is about 23 degrees above zero. On average, Sydney has 12 partly cloudy, 10 sunny, 6 rainy, and 3 cloudy days in December. The rains are usually light.

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