Weather for Koh Samui area

Thailand's climate is generally high in humidity and temperature.

 

The year can be broken into 3 seasons:-

DRY SEASON  
DECEMBER - FEBRUARY   Very little or no rain. Can be windy on the east side.
HOT SEASON  
MARCH - OCTOBER    Dry and very hot, 30 - 35 degrees celsius in the day time. You could have short showers from May on.
RAINY SEASON  
SEPTEMBER - NOVEMBER   ( monsoon season) Don't let this put you off. It's still hot, there's plenty of sun. The rain can be very refreshing.

 

Average temperature and rainfall chart.  Temperature = celsius       Sunlight in hours per day     Rainfall in millimeters  per month 
 

 

Max. temp

Min temp

Water temp

Sun

Rain

January

31

23

26

9

38

February

32

23

27

9

8

March

33

24

27

7.5

12

April

33

25

28

7.5

62

May

31

25

28

7

186

June

31

25

28

5.5

113

July

31

25

28

5

140

August

31

24

28

4.5

122

September

30

24

28

5

210

October

31

24

27

6

260

November

31

24

27

7.5

302

December

31

24

27

9.5

98

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