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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