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December weather forecast in Port Augusta

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		48%
	5.9 m/s		+22

30 November, Sunday. day, 30°; night, 15°; clear

1 December, mon

	758 mmHg		46%
	6 m/s		+22

1 December, Monday. day, 29°; night, 15°; clear

2 December, tue

	759 mmHg		48%
	6 m/s		+22

2 December, Tuesday. day, 29°; night, 14°; clear

3 December, wed

	759 mmHg		44%
	5.5 m/s		+22

3 December, Wednesday. day, 29°; night, 15°; clear

4 December, thu

	759 mmHg		44%
	5.6 m/s		+22

4 December, Thursday. day, 29°; night, 15°; partly cloudy

5 December, fri

	758 mmHg		46%
	5.4 m/s		+23

5 December, Friday. day, 29°; night, 16°; partly cloudy

6 December, sat

	758 mmHg		46%
	5.6 m/s		+22

6 December, Saturday. day, 30°; night, 16°; partly cloudy

7 December, sun

	758 mmHg		44%
	6 m/s		+22

7 December, Sunday. day, 30°; night, 16°; rain

8 December, mon

	758 mmHg		46%
	6 m/s		+22

8 December, Monday. day, 30°; night, 16°; partly cloudy

9 December, tue

	759 mmHg		50%
	5.8 m/s		+22

9 December, Tuesday. day, 29°; night, 15°; clear

10 December, wed

	760 mmHg		48%
	6 m/s		+22

10 December, Wednesday. day, 29°; night, 15°; clear

11 December, thu

	759 mmHg		47%
	5.5 m/s		+22

11 December, Thursday. day, 29°; night, 16°; clear

12 December, fri

	759 mmHg		44%
	5.5 m/s		+23

12 December, Friday. day, 30°; night, 16°; clear

13 December, sat

	759 mmHg		45%
	5.8 m/s		+23

13 December, Saturday. day, 30°; night, 17°; overcast

14 December, sun

	758 mmHg		47%
	5.4 m/s		+23

14 December, Sunday. day, 30°; night, 17°; overcast

15 December, mon

	758 mmHg		44%
	5.2 m/s		+23

15 December, Monday. day, 31°; night, 16°; clear

16 December, tue

	758 mmHg		41%
	5.2 m/s		+23

16 December, Tuesday. day, 32°; night, 17°; partly cloudy

17 December, wed

	758 mmHg		41%
	5.9 m/s		+23

17 December, Wednesday. day, 32°; night, 17°; rain

18 December, thu

	757 mmHg		40%
	5.9 m/s		+23

18 December, Thursday. day, 32°; night, 18°; clear

19 December, fri

	758 mmHg		41%
	6.2 m/s		+23

19 December, Friday. day, 33°; night, 18°; clear

20 December, sat

	758 mmHg		44%
	5.7 m/s		+24

20 December, Saturday. day, 31°; night, 18°; partly cloudy

21 December, sun

	758 mmHg		47%
	5.8 m/s		+24

21 December, Sunday. day, 30°; night, 17°; rain

22 December, mon

	759 mmHg		45%
	5.6 m/s		+24

22 December, Monday. day, 31°; night, 17°; clear

23 December, tue

	759 mmHg		43%
	5.8 m/s		+24

23 December, Tuesday. day, 31°; night, 16°; clear

24 December, wed

	759 mmHg		42%
	5.5 m/s		+24

24 December, Wednesday. day, 31°; night, 17°; clear

25 December, thu

	759 mmHg		41%
	6 m/s		+24

25 December, Thursday. day, 32°; night, 17°; clear

26 December, fri

	759 mmHg		41%
	6.1 m/s		+24

26 December, Friday. day, 30°; night, 17°; clear

27 December, sat

	758 mmHg		41%
	6.1 m/s		+24

27 December, Saturday. day, 32°; night, 17°; clear

28 December, sun

	758 mmHg		40%
	5.8 m/s		+24

28 December, Sunday. day, 32°; night, 17°; clear

29 December, mon

	758 mmHg		40%
	5.3 m/s		+25

29 December, Monday. day, 32°; night, 18°; clear

30 December, tue

	758 mmHg		40%
	5.5 m/s		+25

30 December, Tuesday. day, 33°; night, 18°; clear

31 December, wed

	757 mmHg		38%
	5.7 m/s		+25

31 December, Wednesday. day, 34°; night, 19°; clear

1 January, thu

	758 mmHg		42%
	6.1 m/s		+26

1 January, Thursday. day, 33°; night, 18°; clear

2 January, fri

	758 mmHg		42%
	6.2 m/s		+25

2 January, Friday. day, 33°; night, 18°; clear

3 January, sat

	758 mmHg		42%
	6.1 m/s		+25

3 January, Saturday. day, 33°; night, 18°; clear

Average data for 10 years

Port Augusta December

20

sunny days

3

days with precipitation

2

cloudy days

20 sunny days; 3 days with precipitation; 2 cloudy days;

44

%

air humidity

3.8

m/s

WindS

24

mm of precipitation

(10% of annual average)

+23

°C

Water temperature

air humidity 44%; 24 millimeters of precipitation (10% of annual average); Wind southerly 3.8 Meters per second; Water temperature +23°

Weather graphs for December

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

S

S

SE

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

Adelaide
Broken Hill
Woomera
Gawler
Whyalla
Coober Pedy
Mount Gambier
Port Pirie
Clare

Cities with similar weather in December

Santo Domingo
Miami
Varadero
Havana
Cancun
Buenos Aires
Miami Beach
Puerto Plata
Brisbane

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

In December, the weather in Port Augusta is typically hot. Average daily high temperature in December is about 31 degrees above zero. On average, Port Augusta has 20 sunny, 6 partly cloudy, 3 rainy, and 2 cloudy days in December. The rains are usually light.

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