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December weather forecast in Koh Lanta Yai

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

	757 mmHg		83%
	5.1 m/s		+30

30 November, Sunday. day, 28°; night, 25°; overcast

1 December, mon

	757 mmHg		84%
	5 m/s		+29

1 December, Monday. day, 28°; night, 25°; rain

2 December, tue

	757 mmHg		83%
	5.3 m/s		+29

2 December, Tuesday. day, 28°; night, 25°; rain

3 December, wed

	757 mmHg		83%
	5.2 m/s		+29

3 December, Wednesday. day, 28°; night, 25°; rain

4 December, thu

	757 mmHg		83%
	5.3 m/s		+29

4 December, Thursday. day, 28°; night, 25°; rain

5 December, fri

	757 mmHg		82%
	5.3 m/s		+29

5 December, Friday. day, 28°; night, 25°; rain

6 December, sat

	757 mmHg		82%
	5.4 m/s		+30

6 December, Saturday. day, 28°; night, 25°; rain

7 December, sun

	757 mmHg		82%
	5.4 m/s		+29

7 December, Sunday. day, 28°; night, 25°; clear

8 December, mon

	757 mmHg		81%
	5.2 m/s		+29

8 December, Monday. day, 28°; night, 25°; clear

9 December, tue

	757 mmHg		82%
	5.3 m/s		+29

9 December, Tuesday. day, 28°; night, 25°; rain

10 December, wed

	757 mmHg		81%
	5.2 m/s		+29

10 December, Wednesday. day, 28°; night, 25°; rain

11 December, thu

	757 mmHg		81%
	5.3 m/s		+29

11 December, Thursday. day, 28°; night, 25°; overcast

12 December, fri

	757 mmHg		81%
	5.5 m/s		+29

12 December, Friday. day, 28°; night, 25°; overcast

13 December, sat

	757 mmHg		82%
	5.2 m/s		+29

13 December, Saturday. day, 28°; night, 25°; overcast

14 December, sun

	757 mmHg		81%
	5.4 m/s		+29

14 December, Sunday. day, 28°; night, 25°; rain

15 December, mon

	757 mmHg		82%
	5.2 m/s		+29

15 December, Monday. day, 28°; night, 25°; rain

16 December, tue

	757 mmHg		82%
	5.5 m/s		+29

16 December, Tuesday. day, 28°; night, 25°; rain

17 December, wed

	757 mmHg		82%
	5.9 m/s		+29

17 December, Wednesday. day, 28°; night, 25°; rain

18 December, thu

	757 mmHg		81%
	5.6 m/s		+29

18 December, Thursday. day, 28°; night, 25°; rain

19 December, fri

	757 mmHg		80%
	5.6 m/s		+29

19 December, Friday. day, 28°; night, 25°; overcast

20 December, sat

	757 mmHg		80%
	5.3 m/s		+29

20 December, Saturday. day, 28°; night, 25°; partly cloudy

21 December, sun

	757 mmHg		80%
	5.4 m/s		+29

21 December, Sunday. day, 28°; night, 25°; partly cloudy

22 December, mon

	757 mmHg		80%
	5.3 m/s		+29

22 December, Monday. day, 28°; night, 25°; partly cloudy

23 December, tue

	757 mmHg		79%
	5.4 m/s		+29

23 December, Tuesday. day, 28°; night, 25°; partly cloudy

24 December, wed

	757 mmHg		79%
	5.5 m/s		+29

24 December, Wednesday. day, 28°; night, 25°; partly cloudy

25 December, thu

	757 mmHg		79%
	5.3 m/s		+29

25 December, Thursday. day, 28°; night, 25°; partly cloudy

26 December, fri

	758 mmHg		78%
	5.3 m/s		+29

26 December, Friday. day, 28°; night, 25°; clear

27 December, sat

	758 mmHg		78%
	5.4 m/s		+29

27 December, Saturday. day, 28°; night, 25°; partly cloudy

28 December, sun

	758 mmHg		79%
	5.6 m/s		+29

28 December, Sunday. day, 28°; night, 25°; clear

29 December, mon

	758 mmHg		79%
	5.7 m/s		+29

29 December, Monday. day, 28°; night, 25°; partly cloudy

30 December, tue

	758 mmHg		79%
	5.5 m/s		+29

30 December, Tuesday. day, 28°; night, 25°; clear

31 December, wed

	758 mmHg		80%
	5.7 m/s		+29

31 December, Wednesday. day, 28°; night, 25°; rain

1 January, thu

	758 mmHg		79%
	6.1 m/s		+29

1 January, Thursday. day, 28°; night, 25°; rain

2 January, fri

	758 mmHg		79%
	6 m/s		+29

2 January, Friday. day, 28°; night, 25°; overcast

3 January, sat

	758 mmHg		79%
	5.8 m/s		+29

3 January, Saturday. day, 28°; night, 25°; rain

Average data for 10 years

Koh Lanta Yai December

5

sunny days

14

days with precipitation

15

cloudy days

5 sunny days; 14 days with precipitation; 15 cloudy days;

81

%

air humidity

4.19

m/s

WindE

101

mm of precipitation

(5% of annual average)

+29

°C

Water temperature

air humidity 81%; 101 millimeters of precipitation (5% of annual average); Wind easterly 4.19 Meters per second; Water temperature +29°

Weather graphs for December

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

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

NE

NE

E

NE

E

E

E

E

E

E

E

E

E

E

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

Phuket
Samui
Langkawi
Khao Lak
Krabi
George Town
Phang Nga
Chalong
Surat Thani

Cities with similar weather in December

Pattaya
Bangkok
Male
Singapore
Zanzibar
Colombo
Phú Quốc
Victoria
Ko Chang

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

In December, the weather in Koh Lanta Yai is typically hot. Average daily high temperature in December is about 28 degrees above zero. On average, Koh Lanta Yai has 14 rainy, 8 partly cloudy, 5 sunny, and 4 cloudy days in December. The rains are usually heavy.

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