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December weather forecast in Incheon

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

	767 mmHg		69%
	6.1 m/s		+10

30 November, Sunday. day, 6°; night, 2°; clear

1 December, mon

	768 mmHg		70%
	6.3 m/s		+10

1 December, Monday. day, 6°; night, 2°; partly cloudy

2 December, tue

	768 mmHg		67%
	6.2 m/s		+10

2 December, Tuesday. day, 6°; night, 2°; rain

3 December, wed

	767 mmHg		67%
	6.2 m/s		+10

3 December, Wednesday. day, 6°; night, 1°; partly cloudy

4 December, thu

	767 mmHg		65%
	6.8 m/s		+10

4 December, Thursday. day, 5°; night, 1°; partly cloudy

5 December, fri

	768 mmHg		66%
	6.8 m/s		+10

5 December, Friday. day, 4°; night, 0°; partly cloudy

6 December, sat

	768 mmHg		67%
	6.6 m/s		+9

6 December, Saturday. day, 4°; night, 0°; partly cloudy

7 December, sun

	768 mmHg		68%
	6.1 m/s		+9

7 December, Sunday. day, 5°; night, 0°; partly cloudy

8 December, mon

	768 mmHg		70%
	6.3 m/s		+9

8 December, Monday. day, 5°; night, 0°; rain

9 December, tue

	768 mmHg		69%
	5.4 m/s		+9

9 December, Tuesday. day, 5°; night, 1°; partly cloudy

10 December, wed

	767 mmHg		68%
	6.6 m/s		+8

10 December, Wednesday. day, 5°; night, 1°; rain

11 December, thu

	768 mmHg		67%
	6.3 m/s		+8

11 December, Thursday. day, 4°; night, 0°; clear

12 December, fri

	768 mmHg		68%
	5.8 m/s		+8

12 December, Friday. day, 4°; night, 0°; clear

13 December, sat

	768 mmHg		66%
	6 m/s		+8

13 December, Saturday. day, 4°; night, 0°; clear

14 December, sun

	768 mmHg		69%
	6.3 m/s		+8

14 December, Sunday. day, 4°; night, 0°; rain

15 December, mon

	768 mmHg		68%
	6.6 m/s		+7

15 December, Monday. day, 4°; night, 0°; partly cloudy

16 December, tue

	768 mmHg		67%
	6.6 m/s		+7

16 December, Tuesday. day, 3°; night, 0°; rain

17 December, wed

	769 mmHg		66%
	6.7 m/s		+7

17 December, Wednesday. day, 2°; night, -2°; clear

18 December, thu

	769 mmHg		67%
	6.1 m/s		+7

18 December, Thursday. day, 2°; night, -1°; clear

19 December, fri

	769 mmHg		67%
	5.8 m/s		+7

19 December, Friday. day, 3°; night, -1°; clear

20 December, sat

	769 mmHg		69%
	5.6 m/s		+7

20 December, Saturday. day, 3°; night, -1°; partly cloudy

21 December, sun

	767 mmHg		70%
	6 m/s		+7

21 December, Sunday. day, 4°; night, 0°; clear

22 December, mon

	767 mmHg		72%
	6.2 m/s		+7

22 December, Monday. day, 4°; night, 0°; clear

23 December, tue

	767 mmHg		70%
	6.2 m/s		+6

23 December, Tuesday. day, 3°; night, 0°; clear

24 December, wed

	767 mmHg		69%
	6.1 m/s		+6

24 December, Wednesday. day, 2°; night, -1°; clear

25 December, thu

	769 mmHg		65%
	6.5 m/s		+6

25 December, Thursday. day, 2°; night, -2°; clear

26 December, fri

	769 mmHg		64%
	6.2 m/s		+5

26 December, Friday. day, 1°; night, -3°; clear

27 December, sat

	769 mmHg		65%
	5.7 m/s		+6

27 December, Saturday. day, 1°; night, -2°; clear

28 December, sun

	769 mmHg		68%
	5.8 m/s		+6

28 December, Sunday. day, 2°; night, -1°; partly cloudy

29 December, mon

	767 mmHg		67%
	6.3 m/s		+6

29 December, Monday. day, 2°; night, -1°; partly cloudy

30 December, tue

	767 mmHg		68%
	6.3 m/s		+6

30 December, Tuesday. day, 1°; night, -3°; partly cloudy

31 December, wed

	768 mmHg		67%
	6.6 m/s		+6

31 December, Wednesday. day, 1°; night, -2°; clear

1 January, thu

	768 mmHg		68%
	6.3 m/s		+7

1 January, Thursday. day, 2°; night, -1°; rain

2 January, fri

	768 mmHg		67%
	6 m/s		+6

2 January, Friday. day, 2°; night, -2°; clear

3 January, sat

	768 mmHg		66%
	5.8 m/s		+6

3 January, Saturday. day, 2°; night, -3°; clear

Average data for 10 years

Incheon December

14

sunny days

5

days with precipitation

3

cloudy days

14 sunny days; 5 days with precipitation; 3 cloudy days;

68

%

air humidity

4.4

m/s

WindSW

26

mm of precipitation

(3% of annual average)

+8

°C

Water temperature

air humidity 68%; 26 millimeters of precipitation (3% of annual average); Wind south-westerly 4.4 Meters per second; Water temperature +8°

Weather graphs for December

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

SW

SW

SW

W

W

SW

SW

SW

SW

SW

SW

SW

SW

SW

W

W

W

W

SW

SW

SW

SW

SW

SW

W

W

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

Seoul
Busan
Pyongyang
Jeju
Wonsan
Geoje
Ansan
Ulsan
Mokpo

Cities with similar weather in December

Helsinki
Riga
Tallinn
Stockholm
Oslo
Yurmala
Toronto
Aktau
Palanga

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

In December, the weather in Incheon is typically cold. Average daily high temperature in December is about 3 degrees above zero. On average, Incheon has 14 sunny, 12 partly cloudy, 3 rainy, and 2 cloudy days in December. The rains are usually light. December as well as January, February, March, and April is considered the most uncomfortable time to visit Incheon.

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