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December weather forecast in Mount Gambier

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

	754 mmHg		72%
	6.5 m/s		+16

30 November, Sunday. day, 22°; night, 11°; rain

1 December, mon

	755 mmHg		69%
	6.7 m/s		+17

1 December, Monday. day, 21°; night, 11°; partly cloudy

2 December, tue

	756 mmHg		71%
	6.2 m/s		+16

2 December, Tuesday. day, 21°; night, 10°; rain

3 December, wed

	756 mmHg		72%
	5.9 m/s		+17

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

4 December, thu

	756 mmHg		69%
	6.2 m/s		+17

4 December, Thursday. day, 21°; night, 10°; partly cloudy

5 December, fri

	756 mmHg		68%
	6.2 m/s		+17

5 December, Friday. day, 21°; night, 11°; rain

6 December, sat

	755 mmHg		71%
	5.8 m/s		+16

6 December, Saturday. day, 21°; night, 10°; overcast

7 December, sun

	755 mmHg		68%
	6.3 m/s		+16

7 December, Sunday. day, 21°; night, 11°; rain

8 December, mon

	756 mmHg		69%
	6.2 m/s		+16

8 December, Monday. day, 21°; night, 11°; overcast

9 December, tue

	757 mmHg		68%
	6.2 m/s		+16

9 December, Tuesday. day, 20°; night, 10°; overcast

10 December, wed

	757 mmHg		70%
	6.3 m/s		+16

10 December, Wednesday. day, 20°; night, 10°; rain

11 December, thu

	757 mmHg		67%
	6.3 m/s		+16

11 December, Thursday. day, 21°; night, 11°; partly cloudy

12 December, fri

	756 mmHg		68%
	5.8 m/s		+16

12 December, Friday. day, 22°; night, 12°; overcast

13 December, sat

	756 mmHg		69%
	5.8 m/s		+17

13 December, Saturday. day, 22°; night, 11°; overcast

14 December, sun

	756 mmHg		68%
	5.8 m/s		+17

14 December, Sunday. day, 21°; night, 11°; partly cloudy

15 December, mon

	756 mmHg		67%
	5.9 m/s		+17

15 December, Monday. day, 23°; night, 11°; clear

16 December, tue

	756 mmHg		68%
	5.9 m/s		+16

16 December, Tuesday. day, 23°; night, 11°; clear

17 December, wed

	756 mmHg		67%
	6 m/s		+17

17 December, Wednesday. day, 22°; night, 11°; overcast

18 December, thu

	755 mmHg		68%
	6.1 m/s		+16

18 December, Thursday. day, 23°; night, 11°; rain

19 December, fri

	755 mmHg		67%
	6.3 m/s		+17

19 December, Friday. day, 23°; night, 10°; rain

20 December, sat

	756 mmHg		67%
	6.3 m/s		+17

20 December, Saturday. day, 22°; night, 11°; partly cloudy

21 December, sun

	755 mmHg		71%
	6.4 m/s		+18

21 December, Sunday. day, 22°; night, 11°; rain

22 December, mon

	756 mmHg		70%
	6.1 m/s		+18

22 December, Monday. day, 21°; night, 10°; partly cloudy

23 December, tue

	756 mmHg		67%
	6 m/s		+17

23 December, Tuesday. day, 22°; night, 11°; clear

24 December, wed

	756 mmHg		68%
	5.9 m/s		+17

24 December, Wednesday. day, 22°; night, 11°; clear

25 December, thu

	756 mmHg		68%
	6.2 m/s		+17

25 December, Thursday. day, 22°; night, 11°; clear

26 December, fri

	757 mmHg		68%
	5.9 m/s		+17

26 December, Friday. day, 21°; night, 10°; clear

27 December, sat

	756 mmHg		66%
	6 m/s		+18

27 December, Saturday. day, 22°; night, 11°; partly cloudy

28 December, sun

	757 mmHg		66%
	5.7 m/s		+18

28 December, Sunday. day, 22°; night, 11°; clear

29 December, mon

	757 mmHg		67%
	5.8 m/s		+18

29 December, Monday. day, 22°; night, 11°; clear

30 December, tue

	756 mmHg		64%
	5.9 m/s		+18

30 December, Tuesday. day, 24°; night, 12°; clear

31 December, wed

	755 mmHg		67%
	5.9 m/s		+18

31 December, Wednesday. day, 25°; night, 12°; clear

1 January, thu

	756 mmHg		69%
	5.8 m/s		+18

1 January, Thursday. day, 22°; night, 12°; overcast

2 January, fri

	757 mmHg		67%
	5.9 m/s		+17

2 January, Friday. day, 23°; night, 12°; partly cloudy

3 January, sat

	756 mmHg		64%
	6 m/s		+18

3 January, Saturday. day, 24°; night, 13°; clear

Average data for 10 years

Mount Gambier December

10

sunny days

7

days with precipitation

6

cloudy days

10 sunny days; 7 days with precipitation; 6 cloudy days;

68

%

air humidity

4.1

m/s

WindS

43

mm of precipitation

(7% of annual average)

+17

°C

Water temperature

air humidity 68%; 43 millimeters of precipitation (7% of annual average); Wind southerly 4.1 Meters per second; Water temperature +17°

Weather graphs for December

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

S

SW

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

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

Melbourne
Adelaide
Apollo Bay
Gawler
Port Lincoln
Port Pirie
Colac
Broken Hill
Cowes

Cities with similar weather in December

Alanya
Side
Larnaca
Paphos
Jerba
Limassol
Rhodes
Aqaba
Eylat

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

In December, the weather in Mount Gambier is typically warm. Average daily high temperature in December is about 22 degrees above zero. On average, Mount Gambier has 10 sunny, 8 partly cloudy, 7 rainy, and 6 cloudy days in December. The rains are usually light.

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