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December weather forecast in Iwakuni

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

	736 mmHg		74%
	3.9 m/s		+16

30 November, Sunday. day, 12°; night, 5°; partly cloudy

1 December, mon

	737 mmHg		72%
	4 m/s		+16

1 December, Monday. day, 12°; night, 5°; clear

2 December, tue

	737 mmHg		73%
	3.5 m/s		+16

2 December, Tuesday. day, 12°; night, 5°; clear

3 December, wed

	736 mmHg		74%
	4 m/s		+16

3 December, Wednesday. day, 11°; night, 5°; partly cloudy

4 December, thu

	736 mmHg		73%
	4.5 m/s		+15

4 December, Thursday. day, 11°; night, 5°; partly cloudy

5 December, fri

	736 mmHg		71%
	4.4 m/s		+15

5 December, Friday. day, 11°; night, 4°; partly cloudy

6 December, sat

	737 mmHg		72%
	4.4 m/s		+15

6 December, Saturday. day, 10°; night, 4°; partly cloudy

7 December, sun

	737 mmHg		72%
	4.1 m/s		+15

7 December, Sunday. day, 10°; night, 3°; rain

8 December, mon

	738 mmHg		71%
	4 m/s		+15

8 December, Monday. day, 10°; night, 3°; clear

9 December, tue

	738 mmHg		73%
	3.7 m/s		+15

9 December, Tuesday. day, 10°; night, 4°; rain

10 December, wed

	736 mmHg		75%
	3.6 m/s		+15

10 December, Wednesday. day, 11°; night, 4°; partly cloudy

11 December, thu

	736 mmHg		73%
	4.4 m/s		+14

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

12 December, fri

	737 mmHg		72%
	4 m/s		+15

12 December, Friday. day, 10°; night, 4°; partly cloudy

13 December, sat

	736 mmHg		72%
	3.8 m/s		+14

13 December, Saturday. day, 10°; night, 3°; partly cloudy

14 December, sun

	737 mmHg		70%
	4.19 m/s		+14

14 December, Sunday. day, 10°; night, 3°; partly cloudy

15 December, mon

	737 mmHg		70%
	4.19 m/s		+14

15 December, Monday. day, 9°; night, 3°; partly cloudy

16 December, tue

	736 mmHg		72%
	4.1 m/s		+13

16 December, Tuesday. day, 9°; night, 3°; rain

17 December, wed

	736 mmHg		72%
	4.6 m/s		+13

17 December, Wednesday. day, 8°; night, 2°; rain

18 December, thu

	737 mmHg		71%
	4.19 m/s		+14

18 December, Thursday. day, 8°; night, 2°; partly cloudy

19 December, fri

	738 mmHg		72%
	4.3 m/s		+14

19 December, Friday. day, 8°; night, 2°; partly cloudy

20 December, sat

	738 mmHg		73%
	3.8 m/s		+14

20 December, Saturday. day, 9°; night, 3°; rain

21 December, sun

	736 mmHg		75%
	4.3 m/s		+14

21 December, Sunday. day, 9°; night, 3°; rain

22 December, mon

	735 mmHg		73%
	4.4 m/s		+14

22 December, Monday. day, 9°; night, 2°; clear

23 December, tue

	736 mmHg		72%
	4.1 m/s		+13

23 December, Tuesday. day, 9°; night, 3°; clear

24 December, wed

	736 mmHg		72%
	4.19 m/s		+13

24 December, Wednesday. day, 9°; night, 2°; rain

25 December, thu

	736 mmHg		69%
	4.8 m/s		+13

25 December, Thursday. day, 8°; night, 2°; rain

26 December, fri

	737 mmHg		70%
	4.5 m/s		+13

26 December, Friday. day, 8°; night, 2°; partly cloudy

27 December, sat

	738 mmHg		72%
	4.1 m/s		+13

27 December, Saturday. day, 8°; night, 1°; clear

28 December, sun

	737 mmHg		72%
	3.9 m/s		+12

28 December, Sunday. day, 8°; night, 2°; clear

29 December, mon

	736 mmHg		73%
	4.19 m/s		+13

29 December, Monday. day, 8°; night, 2°; rain

30 December, tue

	735 mmHg		71%
	4.4 m/s		+12

30 December, Tuesday. day, 8°; night, 2°; rain

31 December, wed

	736 mmHg		68%
	4.9 m/s		+12

31 December, Wednesday. day, 7°; night, 1°; clear

1 January, thu

	736 mmHg		71%
	4.5 m/s		+13

1 January, Thursday. day, 7°; night, 1°; clear

2 January, fri

	736 mmHg		69%
	4.6 m/s		+12

2 January, Friday. day, 8°; night, 1°; clear

3 January, sat

	736 mmHg		69%
	4.4 m/s		+12

3 January, Saturday. day, 8°; night, 1°; clear

Average data for 10 years

Iwakuni December

8

sunny days

10

days with precipitation

4

cloudy days

8 sunny days; 10 days with precipitation; 4 cloudy days;

72

%

air humidity

2.7

m/s

WindSW

69

mm of precipitation

(4% of annual average)

+14

°C

Water temperature

air humidity 72%; 69 millimeters of precipitation (4% of annual average); Wind south-westerly 2.7 Meters per second; Water temperature +14°

Weather graphs for December

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

SW

SW

SW

SW

W

W

SW

SW

SW

SW

SW

SW

W

SW

W

SW

W

W

SW

SW

SW

SW

W

SW

SW

W

W

W

W

W

W

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

Osaka
Busan
Kyoto
Fukuoka
Hiroshima
Changwon
Ulsan
Geoje
Nara

Cities with similar weather in December

Gagra
Suhum
Baku
Pitsunda
Tokyo
Venice
New Athos
Thessaloniki
Shanghai

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

In December, the weather in Iwakuni is typically cold. Average daily high temperature in December is about 9 degrees above zero. On average, Iwakuni has 14 partly cloudy, 9 rainy, and 8 sunny days in December. The rains are usually moderate. December as well as January, February, March, and June is considered the most uncomfortable time to visit Iwakuni.

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