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August 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

27 July, sun

	750 mmHg		83%
	3.7 m/s		+24

27 July, Sunday. day, 26°; night, 23°; rain

28 July, mon

	749 mmHg		86%
	4.3 m/s		+24

28 July, Monday. day, 26°; night, 23°; rain

29 July, tue

	749 mmHg		83%
	3.7 m/s		+24

29 July, Tuesday. day, 27°; night, 23°; rain

30 July, wed

	750 mmHg		83%
	3.7 m/s		+25

30 July, Wednesday. day, 28°; night, 24°; partly cloudy

31 July, thu

	750 mmHg		87%
	4.4 m/s		+24

31 July, Thursday. day, 27°; night, 24°; rain

1 August, fri

	751 mmHg		81%
	3.2 m/s		+25

1 August, Friday. day, 28°; night, 24°; rain

2 August, sat

	750 mmHg		81%
	4 m/s		+25

2 August, Saturday. day, 28°; night, 25°; rain

3 August, sun

	749 mmHg		82%
	5.3 m/s		+25

3 August, Sunday. day, 28°; night, 24°; rain

4 August, mon

	749 mmHg		81%
	4.4 m/s		+25

4 August, Monday. day, 28°; night, 24°; rain

5 August, tue

	750 mmHg		80%
	3.5 m/s		+26

5 August, Tuesday. day, 29°; night, 24°; clear

6 August, wed

	751 mmHg		81%
	3.4 m/s		+25

6 August, Wednesday. day, 28°; night, 25°; rain

7 August, thu

	750 mmHg		81%
	4.1 m/s		+26

7 August, Thursday. day, 28°; night, 24°; partly cloudy

8 August, fri

	749 mmHg		79%
	6 m/s		+25

8 August, Friday. day, 28°; night, 24°; rain

9 August, sat

	749 mmHg		74%
	3.9 m/s		+26

9 August, Saturday. day, 29°; night, 24°; partly cloudy

10 August, sun

	749 mmHg		81%
	4.1 m/s		+26

10 August, Sunday. day, 27°; night, 24°; rain

11 August, mon

	749 mmHg		81%
	3.7 m/s		+25

11 August, Monday. day, 28°; night, 24°; rain

12 August, tue

	749 mmHg		80%
	4 m/s		+26

12 August, Tuesday. day, 27°; night, 24°; rain

13 August, wed

	749 mmHg		83%
	4 m/s		+25

13 August, Wednesday. day, 27°; night, 24°; partly cloudy

14 August, thu

	749 mmHg		82%
	4.9 m/s		+25

14 August, Thursday. day, 27°; night, 23°; clear

15 August, fri

	749 mmHg		83%
	4.5 m/s		+26

15 August, Friday. day, 27°; night, 24°; clear

16 August, sat

	749 mmHg		81%
	4.9 m/s		+25

16 August, Saturday. day, 26°; night, 24°; clear

17 August, sun

	750 mmHg		79%
	4.5 m/s		+25

17 August, Sunday. day, 26°; night, 23°; clear

18 August, mon

	752 mmHg		81%
	3.9 m/s		+25

18 August, Monday. day, 27°; night, 23°; rain

19 August, tue

	752 mmHg		81%
	4 m/s		+25

19 August, Tuesday. day, 27°; night, 24°; clear

20 August, wed

	751 mmHg		81%
	5 m/s		+25

20 August, Wednesday. day, 27°; night, 24°; clear

21 August, thu

	750 mmHg		79%
	4.9 m/s		+26

21 August, Thursday. day, 27°; night, 24°; rain

22 August, fri

	751 mmHg		75%
	3.7 m/s		+26

22 August, Friday. day, 27°; night, 23°; rain

23 August, sat

	751 mmHg		80%
	5 m/s		+25

23 August, Saturday. day, 26°; night, 23°; rain

24 August, sun

	751 mmHg		76%
	4.5 m/s		+25

24 August, Sunday. day, 26°; night, 22°; overcast

25 August, mon

	751 mmHg		76%
	4.6 m/s		+25

25 August, Monday. day, 26°; night, 22°; rain

26 August, tue

	752 mmHg		77%
	4.5 m/s		+25

26 August, Tuesday. day, 26°; night, 22°; rain

27 August, wed

	752 mmHg		75%
	5 m/s		+25

27 August, Wednesday. day, 26°; night, 23°; clear

28 August, thu

	752 mmHg		74%
	4.5 m/s		+25

28 August, Thursday. day, 26°; night, 22°; clear

29 August, fri

	749 mmHg		76%
	6.9 m/s		+24

29 August, Friday. day, 25°; night, 22°; clear

30 August, sat

	751 mmHg		73%
	4.6 m/s		+25

30 August, Saturday. day, 25°; night, 22°; rain

31 August, sun

	751 mmHg		72%
	4.1 m/s		+25

31 August, Sunday. day, 25°; night, 22°; partly cloudy

1 September, mon

	751 mmHg		72%
	4.8 m/s		+25

1 September, Monday. day, 26°; night, 21°; rain

2 September, tue

	752 mmHg		75%
	5.8 m/s		+25

2 September, Tuesday. day, 25°; night, 21°; clear

3 September, wed

	752 mmHg		75%
	4.9 m/s		+25

3 September, Wednesday. day, 25°; night, 20°; clear

4 September, thu

	753 mmHg		70%
	4 m/s		+25

4 September, Thursday. day, 26°; night, 21°; partly cloudy

5 September, fri

	753 mmHg		76%
	4 m/s		+25

5 September, Friday. day, 24°; night, 21°; overcast

6 September, sat

	752 mmHg		75%
	4 m/s		+24

6 September, Saturday. day, 24°; night, 21°; partly cloudy

Average data for 10 years

Incheon August

10

sunny days

16

days with precipitation

5

cloudy days

10 sunny days; 16 days with precipitation; 5 cloudy days;

79

%

air humidity

3

m/s

WindSE

169

mm of precipitation

(20% of annual average)

+25

°C

Water temperature

air humidity 79%; 169 millimeters of precipitation (20% of annual average); Wind south-easterly 3 Meters per second; Water temperature +25°

Weather graphs for August

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

S

SE

SE

S

S

SE

SE

SE

SE

E

E

S

SE

S

S

SE

SE

E

S

SW

SW

SW

SW

NE

NE

SE

SE

E

E

NW

N

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
Daegu
Wonsan
Seosan
Ulsan
Andong

Cities with similar weather in August

Kemer
Rome
Baku
Athens
Budva
Venice
New Athos
Malaga
Naples

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

August in Incheon is the warmest month of the year. In August, the weather in Incheon is typically warm. Average daily high temperature in August is about 27 degrees above zero. On average, Incheon has 16 rainy, 10 sunny, 4 partly cloudy, and 1 cloudy day in August. The rains are usually heavy. August as well as January, February, March, and July is considered the most uncomfortable time to visit Incheon.

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