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May weather forecast in Ko Samet

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

26 April, sun

	757 mmHg		73%
	3.5 m/s		+31

26 April, Sunday. day, 30°; night, 28°; rain

27 April, mon

	757 mmHg		74%
	4 m/s		+31

27 April, Monday. day, 31°; night, 28°; clear

28 April, tue

	757 mmHg		74%
	4 m/s		+31

28 April, Tuesday. day, 30°; night, 29°; rain

29 April, wed

	757 mmHg		73%
	4 m/s		+31

29 April, Wednesday. day, 31°; night, 28°; partly cloudy

30 April, thu

	757 mmHg		75%
	3.9 m/s		+31

30 April, Thursday. day, 30°; night, 28°; rain

1 May, fri

	756 mmHg		75%
	3.5 m/s		+31

1 May, Friday. day, 30°; night, 28°; rain

2 May, sat

	756 mmHg		75%
	3.7 m/s		+31

2 May, Saturday. day, 30°; night, 29°; overcast

3 May, sun

	756 mmHg		74%
	4.3 m/s		+31

3 May, Sunday. day, 31°; night, 28°; rain

4 May, mon

	756 mmHg		74%
	4 m/s		+31

4 May, Monday. day, 30°; night, 29°; rain

5 May, tue

	756 mmHg		70%
	3.7 m/s		+31

5 May, Tuesday. day, 31°; night, 29°; rain

6 May, wed

	756 mmHg		73%
	3.7 m/s		+31

6 May, Wednesday. day, 30°; night, 29°; rain

7 May, thu

	755 mmHg		72%
	4 m/s		+31

7 May, Thursday. day, 31°; night, 28°; rain

8 May, fri

	755 mmHg		73%
	4.3 m/s		+31

8 May, Friday. day, 31°; night, 29°; rain

9 May, sat

	756 mmHg		75%
	4.3 m/s		+31

9 May, Saturday. day, 30°; night, 29°; rain

10 May, sun

	756 mmHg		75%
	4 m/s		+31

10 May, Sunday. day, 30°; night, 29°; rain

11 May, mon

	756 mmHg		75%
	3.7 m/s		+31

11 May, Monday. day, 30°; night, 29°; rain

12 May, tue

	755 mmHg		75%
	4.3 m/s		+31

12 May, Tuesday. day, 30°; night, 29°; rain

13 May, wed

	755 mmHg		75%
	4 m/s		+31

13 May, Wednesday. day, 30°; night, 29°; clear

14 May, thu

	756 mmHg		75%
	4 m/s		+31

14 May, Thursday. day, 30°; night, 28°; rain

15 May, fri

	756 mmHg		75%
	4.1 m/s		+31

15 May, Friday. day, 30°; night, 28°; rain

16 May, sat

	756 mmHg		75%
	4.4 m/s		+31

16 May, Saturday. day, 30°; night, 29°; rain

17 May, sun

	756 mmHg		76%
	4.6 m/s		+31

17 May, Sunday. day, 30°; night, 28°; rain

18 May, mon

	756 mmHg		74%
	4.4 m/s		+31

18 May, Monday. day, 30°; night, 28°; rain

19 May, tue

	756 mmHg		72%
	4.8 m/s		+31

19 May, Tuesday. day, 31°; night, 29°; rain

20 May, wed

	756 mmHg		73%
	4.4 m/s		+31

20 May, Wednesday. day, 30°; night, 29°; rain

21 May, thu

	756 mmHg		74%
	5.4 m/s		+31

21 May, Thursday. day, 30°; night, 29°; rain

22 May, fri

	756 mmHg		74%
	4.5 m/s		+31

22 May, Friday. day, 30°; night, 29°; rain

23 May, sat

	755 mmHg		73%
	4.5 m/s		+31

23 May, Saturday. day, 30°; night, 28°; clear

24 May, sun

	755 mmHg		75%
	4.6 m/s		+31

24 May, Sunday. day, 30°; night, 29°; rain

25 May, mon

	755 mmHg		75%
	4.4 m/s		+31

25 May, Monday. day, 29°; night, 28°; rain

26 May, tue

	755 mmHg		76%
	5.1 m/s		+31

26 May, Tuesday. day, 29°; night, 28°; rain

27 May, wed

	755 mmHg		76%
	5 m/s		+31

27 May, Wednesday. day, 29°; night, 28°; rain

28 May, thu

	756 mmHg		75%
	5 m/s		+31

28 May, Thursday. day, 30°; night, 28°; rain

29 May, fri

	756 mmHg		76%
	4.5 m/s		+31

29 May, Friday. day, 29°; night, 28°; rain

30 May, sat

	756 mmHg		75%
	4.4 m/s		+31

30 May, Saturday. day, 30°; night, 28°; rain

31 May, sun

	755 mmHg		75%
	4.1 m/s		+31

31 May, Sunday. day, 30°; night, 28°; rain

1 June, mon

	755 mmHg		75%
	4.1 m/s		+31

1 June, Monday. day, 30°; night, 28°; rain

2 June, tue

	755 mmHg		75%
	4 m/s		+31

2 June, Tuesday. day, 30°; night, 28°; rain

3 June, wed

	755 mmHg		77%
	4.1 m/s		+31

3 June, Wednesday. day, 29°; night, 28°; rain

4 June, thu

	755 mmHg		77%
	4.3 m/s		+30

4 June, Thursday. day, 29°; night, 28°; rain

5 June, fri

	755 mmHg		75%
	4.5 m/s		+30

5 June, Friday. day, 29°; night, 28°; rain

6 June, sat

	755 mmHg		75%
	5.1 m/s		+30

6 June, Saturday. day, 30°; night, 28°; rain

Average data for 10 years

Ko Samet May

2

sunny days

28

days with precipitation

1

cloudy day

2 sunny days; 28 days with precipitation; 1 cloudy day;

75

%

air humidity

3

m/s

WindSW

271

mm of precipitation

(14% of annual average)

+31

°C

Water temperature

air humidity 75%; 271 millimeters of precipitation (14% of annual average); Wind south-westerly 3 Meters per second; Water temperature +31°

Weather graphs for May

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

S

S

S

S

S

S

SW

SW

S

S

S

S

S

SW

S

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

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

Pattaya
Bangkok
Phú Quốc
Samui
Ko Chang
Hua Hin
Sihanoukville
Phnom Penh
Siem Reap

Cities with similar weather in May

Phuket
Nha Trang
Goa
Phan Thiet
Samui
Singapore
Phú Quốc
Krabi
Mumbai

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

In May, the weather in Ko Samet is typically hot. Average daily high temperature in May is about 30 degrees above zero. On average, Ko Samet has 28 rainy, 2 sunny, and 1 cloudy day in May. The rains are usually heavy. May as well as June, July, August, and September is considered the most uncomfortable time to visit Ko Samet.

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