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May weather forecast in Seoul

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 April, sun

	760 mmHg		65%
	4.3 m/s

27 April, Sunday. day, 19°; night, 9°; clear

28 April, mon

	759 mmHg		66%
	4.5 m/s

28 April, Monday. day, 20°; night, 10°; partly cloudy

29 April, tue

	758 mmHg		69%
	4.69 m/s

29 April, Tuesday. day, 19°; night, 11°; rain

30 April, wed

	757 mmHg		68%
	4.4 m/s

30 April, Wednesday. day, 20°; night, 11°; overcast

1 May, thu

	758 mmHg		66%
	4.6 m/s

1 May, Thursday. day, 21°; night, 11°; clear

2 May, fri

	759 mmHg		67%
	4.3 m/s

2 May, Friday. day, 22°; night, 11°; rain

3 May, sat

	759 mmHg		68%
	4.3 m/s

3 May, Saturday. day, 21°; night, 11°; partly cloudy

4 May, sun

	758 mmHg		66%
	4.69 m/s

4 May, Sunday. day, 22°; night, 11°; clear

5 May, mon

	757 mmHg		65%
	5.1 m/s

5 May, Monday. day, 22°; night, 12°; rain

6 May, tue

	757 mmHg		68%
	4.69 m/s

6 May, Tuesday. day, 20°; night, 11°; rain

7 May, wed

	757 mmHg		67%
	4.5 m/s

7 May, Wednesday. day, 21°; night, 11°; rain

8 May, thu

	758 mmHg		67%
	4.19 m/s

8 May, Thursday. day, 22°; night, 11°; partly cloudy

9 May, fri

	758 mmHg		68%
	4.6 m/s

9 May, Friday. day, 22°; night, 12°; overcast

10 May, sat

	758 mmHg		69%
	3.8 m/s

10 May, Saturday. day, 21°; night, 12°; overcast

11 May, sun

	758 mmHg		70%
	4.3 m/s

11 May, Sunday. day, 21°; night, 12°; rain

12 May, mon

	757 mmHg		71%
	4.5 m/s

12 May, Monday. day, 21°; night, 12°; clear

13 May, tue

	758 mmHg		69%
	4.4 m/s

13 May, Tuesday. day, 22°; night, 12°; clear

14 May, wed

	758 mmHg		69%
	3.9 m/s

14 May, Wednesday. day, 22°; night, 13°; overcast

15 May, thu

	757 mmHg		72%
	4.19 m/s

15 May, Thursday. day, 22°; night, 13°; overcast

16 May, fri

	756 mmHg		71%
	4.3 m/s

16 May, Friday. day, 22°; night, 13°; clear

17 May, sat

	756 mmHg		71%
	4.19 m/s

17 May, Saturday. day, 23°; night, 13°; overcast

18 May, sun

	756 mmHg		74%
	4.5 m/s

18 May, Sunday. day, 22°; night, 13°; rain

19 May, mon

	756 mmHg		73%
	4.6 m/s

19 May, Monday. day, 22°; night, 13°; rain

20 May, tue

	757 mmHg		73%
	4.3 m/s

20 May, Tuesday. day, 22°; night, 13°; partly cloudy

21 May, wed

	757 mmHg		69%
	4 m/s

21 May, Wednesday. day, 23°; night, 14°; clear

22 May, thu

	757 mmHg		72%
	3.8 m/s

22 May, Thursday. day, 24°; night, 14°; partly cloudy

23 May, fri

	756 mmHg		71%
	4 m/s

23 May, Friday. day, 24°; night, 14°; partly cloudy

24 May, sat

	756 mmHg		72%
	3.9 m/s

24 May, Saturday. day, 24°; night, 14°; partly cloudy

25 May, sun

	756 mmHg		72%
	4.3 m/s

25 May, Sunday. day, 24°; night, 14°; partly cloudy

26 May, mon

	756 mmHg		69%
	4.3 m/s

26 May, Monday. day, 24°; night, 15°; clear

27 May, tue

	756 mmHg		69%
	4.3 m/s

27 May, Tuesday. day, 24°; night, 15°; rain

28 May, wed

	756 mmHg		71%
	4.1 m/s

28 May, Wednesday. day, 24°; night, 15°; clear

29 May, thu

	756 mmHg		72%
	3.6 m/s

29 May, Thursday. day, 25°; night, 15°; overcast

30 May, fri

	756 mmHg		72%
	4.1 m/s

30 May, Friday. day, 24°; night, 15°; clear

31 May, sat

	756 mmHg		69%
	4 m/s

31 May, Saturday. day, 25°; night, 15°; clear

Average data for 10 years

Seoul May

10

sunny days

8

days with precipitation

8

cloudy days

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

70

%

air humidity

2.5

m/s

WindS

98

mm of precipitation

(8% of annual average)

air humidity 70%; 98 millimeters of precipitation (8% of annual average); Wind southerly 2.5 Meters per second

Weather graphs for May

TemperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

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S

S

SW

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

SW

S

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
Pyongyang
Incheon
Wonsan
Geoje
Ansan
Ulsan
Mokpo
Daejeon

Cities with similar weather in May

Kemer
Baku
Batumi
Burgas
New Athos
Kishinev
Tiraspol
Gudauta
Comrat

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

In May, the weather in Seoul is typically warm. Average daily high temperature in May is about 23 degrees above zero. On average, Seoul has 10 sunny, 8 rainy, 7 partly cloudy, and 6 cloudy days in May. The rains are usually heavy.

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