Samui weather


Thailand climate

Thailand's climate is tropical. High in both temperature and humidity. Most people find it pleasant. The average temperature is about 30 degrees Celsius, or 86 degrees Fahrenheit. When it is getting too hot, just enter a air conditioned room or shop for a while and you will "refill your batteries". Remember to drink a lot of water. Even if it is more or less "summer" here year round, you could say that Thailand and Koh Samui has three seasons: The dry season, the hot season and the monsoon or rain season.

Samui climate and seasons

Dry Season
December - February: The dry season on Samui. Not much raining, but it can be a some refreshing wind or breeze on these islands then. Great for bodysurfing. The sun is shining a lot on us at this period of the year!

Hot Season
March - August: The weather is still dry in this time, and rather hot. In May the raining may increase a little. This is a great period to visit Samui if you can stand 30-35 degrees Celsius daytime. The sunshine is still dominating the day time, almost as much as in the Dry Season.

Rain Season
September - November: Also known as the monsoon season. It's still hot and normally, there are many sunny days anyway. Sometimes you might find yourself in a refreshing monsoon shower for a moment. The rain showers often last just for a short while though and as these island's water supplies are finite, the water is needed.

Notice! The climate seasons are not exactly the same as in Krabi and Phuket, as these destinations are located in/at the Andaman Sea and Koh Samui, Koh Phangan and Koh Tao are located in the Gulf of Thailand. This makes the climate differences evident.

Weather table - Weather statistics
All you need to know. Temperatures in Celsius. Average values.

Month
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Max. temp
31
32
33
33
31
31
31
31
30
31
31
31
Min. temp
23
23
24
25
25
25
25
24
24
24
24
24
Water temp
26
27
27
28
28
28
28
28
28
27
27
27
Sun hours
280
258
237
231
215
162
108
138
128
176
231
290
Rain mm
38
8
12
62
186
113
143
123
210
260
302
98



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