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December weather forecast in Nagasaki

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

	765 mmHg		66%
	8.89 m/s		+20

30 November, Sunday. day, 14°; night, 12°; partly cloudy

1 December, mon

	766 mmHg		65%
	9.1 m/s		+20

1 December, Monday. day, 14°; night, 12°; clear

2 December, tue

	765 mmHg		66%
	8.5 m/s		+20

2 December, Tuesday. day, 14°; night, 12°; clear

3 December, wed

	765 mmHg		65%
	9 m/s		+20

3 December, Wednesday. day, 14°; night, 12°; rain

4 December, thu

	765 mmHg		66%
	9.7 m/s		+20

4 December, Thursday. day, 14°; night, 12°; rain

5 December, fri

	765 mmHg		65%
	9.39 m/s		+20

5 December, Friday. day, 13°; night, 11°; partly cloudy

6 December, sat

	766 mmHg		64%
	8.7 m/s		+19

6 December, Saturday. day, 13°; night, 11°; partly cloudy

7 December, sun

	766 mmHg		65%
	9.1 m/s		+19

7 December, Sunday. day, 13°; night, 11°; rain

8 December, mon

	767 mmHg		64%
	8.89 m/s		+19

8 December, Monday. day, 12°; night, 11°; partly cloudy

9 December, tue

	766 mmHg		65%
	8 m/s		+19

9 December, Tuesday. day, 13°; night, 11°; clear

10 December, wed

	765 mmHg		67%
	8.1 m/s		+19

10 December, Wednesday. day, 13°; night, 12°; rain

11 December, thu

	765 mmHg		67%
	9.2 m/s		+19

11 December, Thursday. day, 13°; night, 11°; partly cloudy

12 December, fri

	765 mmHg		65%
	8.6 m/s		+19

12 December, Friday. day, 12°; night, 11°; clear

13 December, sat

	766 mmHg		64%
	8.89 m/s		+19

13 December, Saturday. day, 13°; night, 11°; partly cloudy

14 December, sun

	766 mmHg		64%
	8.7 m/s		+19

14 December, Sunday. day, 12°; night, 10°; partly cloudy

15 December, mon

	766 mmHg		65%
	8.89 m/s		+19

15 December, Monday. day, 12°; night, 10°; rain

16 December, tue

	766 mmHg		68%
	9 m/s		+19

16 December, Tuesday. day, 12°; night, 10°; rain

17 December, wed

	766 mmHg		68%
	10.1 m/s		+18

17 December, Wednesday. day, 11°; night, 9°; rain

18 December, thu

	767 mmHg		65%
	8.89 m/s		+18

18 December, Thursday. day, 10°; night, 9°; overcast

19 December, fri

	767 mmHg		64%
	8.6 m/s		+18

19 December, Friday. day, 11°; night, 10°; partly cloudy

20 December, sat

	766 mmHg		66%
	8.5 m/s		+18

20 December, Saturday. day, 12°; night, 10°; rain

21 December, sun

	765 mmHg		69%
	9.8 m/s		+18

21 December, Sunday. day, 12°; night, 10°; rain

22 December, mon

	765 mmHg		65%
	9.39 m/s		+18

22 December, Monday. day, 12°; night, 10°; clear

23 December, tue

	765 mmHg		64%
	8.89 m/s		+18

23 December, Tuesday. day, 12°; night, 10°; overcast

24 December, wed

	765 mmHg		66%
	9.39 m/s		+18

24 December, Wednesday. day, 12°; night, 9°; rain

25 December, thu

	766 mmHg		66%
	9.8 m/s		+18

25 December, Thursday. day, 11°; night, 9°; overcast

26 December, fri

	766 mmHg		64%
	9.2 m/s		+18

26 December, Friday. day, 10°; night, 9°; partly cloudy

27 December, sat

	767 mmHg		62%
	8.7 m/s		+18

27 December, Saturday. day, 10°; night, 9°; partly cloudy

28 December, sun

	767 mmHg		63%
	8.7 m/s		+18

28 December, Sunday. day, 11°; night, 9°; rain

29 December, mon

	766 mmHg		64%
	9.2 m/s		+18

29 December, Monday. day, 11°; night, 9°; overcast

30 December, tue

	765 mmHg		65%
	10 m/s		+17

30 December, Tuesday. day, 11°; night, 9°; rain

31 December, wed

	766 mmHg		64%
	10.2 m/s		+17

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

1 January, thu

	766 mmHg		63%
	9.2 m/s		+18

1 January, Thursday. day, 10°; night, 8°; rain

2 January, fri

	766 mmHg		64%
	8.89 m/s		+17

2 January, Friday. day, 11°; night, 9°; clear

3 January, sat

	766 mmHg		64%
	9.1 m/s		+17

3 January, Saturday. day, 10°; night, 9°; clear

Average data for 10 years

Nagasaki December

5

sunny days

13

days with precipitation

9

cloudy days

5 sunny days; 13 days with precipitation; 9 cloudy days;

65

%

air humidity

6.7

m/s

WindSW

98

mm of precipitation

(5% of annual average)

+19

°C

Water temperature

air humidity 65%; 98 millimeters of precipitation (5% of annual average); Wind south-westerly 6.7 Meters per second; Water temperature +19°

Weather graphs for December

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

S

S

SW

SW

SW

SW

SW

S

S

SW

SW

SW

SW

SW

SW

SW

W

W

SW

S

S

SW

SW

SW

SW

SW

SW

SW

W

SW

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
Jeju
Fukuoka
Hiroshima
Miyazaki
Geoje
Ulsan
Kagoshima
Kumamoto

Cities with similar weather in December

Yerevan
Seoul
Kishinev
Tiraspol
Comrat
Bender
Ciadir-Lunga
Cahul
Taldikorgan

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

In December, the weather in Nagasaki is typically warm. Average daily high temperature in December is about 12 degrees above zero. On average, Nagasaki has 13 rainy, 9 partly cloudy, 5 sunny, and 4 cloudy days in December. The rains are usually heavy. December as well as January, February, and March is considered the most uncomfortable time to visit Nagasaki.

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