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December weather forecast in Yamaguchi

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

	751 mmHg		80%
	4 m/s		+18

30 November, Sunday. day, 11°; night, 8°; clear

1 December, mon

	752 mmHg		79%
	3.7 m/s		+18

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

2 December, tue

	750 mmHg		81%
	4.5 m/s		+18

2 December, Tuesday. day, 10°; night, 7°; rain

3 December, wed

	750 mmHg		79%
	4.1 m/s		+18

3 December, Wednesday. day, 10°; night, 8°; rain

4 December, thu

	750 mmHg		77%
	4.5 m/s		+18

4 December, Thursday. day, 9°; night, 7°; partly cloudy

5 December, fri

	751 mmHg		75%
	4.5 m/s		+17

5 December, Friday. day, 9°; night, 7°; rain

6 December, sat

	752 mmHg		77%
	4 m/s		+17

6 December, Saturday. day, 7°; night, 5°; partly cloudy

7 December, sun

	752 mmHg		76%
	3.5 m/s		+17

7 December, Sunday. day, 8°; night, 6°; rain

8 December, mon

	752 mmHg		80%
	4.6 m/s		+17

8 December, Monday. day, 8°; night, 7°; rain

9 December, tue

	750 mmHg		87%
	4.9 m/s		+17

9 December, Tuesday. day, 8°; night, 7°; rain

10 December, wed

	748 mmHg		85%
	4.6 m/s		+17

10 December, Wednesday. day, 9°; night, 6°; rain

11 December, thu

	751 mmHg		76%
	3.7 m/s		+17

11 December, Thursday. day, 8°; night, 6°; clear

12 December, fri

	751 mmHg		80%
	4 m/s		+16

12 December, Friday. day, 8°; night, 6°; overcast

13 December, sat

	752 mmHg		81%
	3.5 m/s		+16

13 December, Saturday. day, 9°; night, 6°; clear

14 December, sun

	751 mmHg		77%
	4.5 m/s		+16

14 December, Sunday. day, 8°; night, 6°; overcast

15 December, mon

	750 mmHg		83%
	4.8 m/s		+16

15 December, Monday. day, 6°; night, 3°; rain

16 December, tue

	752 mmHg		76%
	4.8 m/s		+16

16 December, Tuesday. day, 4°; night, 3°; rain

17 December, wed

	753 mmHg		77%
	4 m/s		+16

17 December, Wednesday. day, 6°; night, 5°; rain

18 December, thu

	753 mmHg		76%
	4.5 m/s		+16

18 December, Thursday. day, 7°; night, 4°; rain

19 December, fri

	752 mmHg		77%
	4.1 m/s		+16

19 December, Friday. day, 7°; night, 5°; rain

20 December, sat

	753 mmHg		79%
	3.9 m/s		+15

20 December, Saturday. day, 8°; night, 6°; rain

21 December, sun

	752 mmHg		83%
	4.5 m/s		+15

21 December, Sunday. day, 8°; night, 7°; rain

22 December, mon

	751 mmHg		86%
	4.6 m/s		+15

22 December, Monday. day, 8°; night, 6°; clear

23 December, tue

	750 mmHg		82%
	4.6 m/s		+15

23 December, Tuesday. day, 7°; night, 4°; rain

24 December, wed

	751 mmHg		77%
	4.8 m/s		+15

24 December, Wednesday. day, 5°; night, 3°; rain

25 December, thu

	751 mmHg		79%
	4.9 m/s		+15

25 December, Thursday. day, 6°; night, 4°; rain

26 December, fri

	752 mmHg		75%
	4.6 m/s		+15

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

27 December, sat

	751 mmHg		73%
	4 m/s		+15

27 December, Saturday. day, 6°; night, 3°; clear

28 December, sun

	752 mmHg		75%
	4 m/s		+15

28 December, Sunday. day, 6°; night, 4°; rain

29 December, mon

	751 mmHg		76%
	4.3 m/s		+14

29 December, Monday. day, 7°; night, 5°; rain

30 December, tue

	749 mmHg		77%
	5.8 m/s		+14

30 December, Tuesday. day, 6°; night, 2°; clear

31 December, wed

	749 mmHg		77%
	5.8 m/s		+14

31 December, Wednesday. day, 6°; night, 2°; clear

1 January, thu

	750 mmHg		75%
	5.9 m/s		+15

1 January, Thursday. day, 6°; night, 3°; rain

2 January, fri

	752 mmHg		79%
	4.6 m/s		+14

2 January, Friday. day, 6°; night, 4°; rain

3 January, sat

	751 mmHg		75%
	4 m/s		+14

3 January, Saturday. day, 6°; night, 4°; partly cloudy

Average data for 10 years

Yamaguchi December

7

sunny days

19

days with precipitation

5

cloudy days

7 sunny days; 19 days with precipitation; 5 cloudy days;

79

%

air humidity

3.2

m/s

WindW

102

mm of precipitation

(5% of annual average)

+16

°C

Water temperature

air humidity 79%; 102 millimeters of precipitation (5% of annual average); Wind westerly 3.2 Meters per second; Water temperature +16°

Weather graphs for December

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

W

W

W

W

W

NW

SW

W

SW

W

NW

NW

NW

NW

NW

NW

W

W

W

W

W

W

W

W

NW

NW

W

NW

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

Busan
Fukuoka
Hiroshima
Miyazaki
Ulsan
Nagasaki
Kagoshima
Kumamoto
Okayama

Cities with similar weather in December

Beijing
Seoul
Shu
Kentau
Salt Lake City
Urumqi
Zarafshan, Navoiy Province
Nukus
Dashoguz

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

In December, the weather in Yamaguchi is typically cold. Average daily high temperature in December is about 7 degrees above zero. On average, Yamaguchi has 19 rainy, 7 sunny, 3 partly cloudy, and 2 cloudy 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 Yamaguchi.

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