Ko Samui: Weather, Best time to go, Where to go?

Best time to go to Thailand?

When is the best time to go to Ko Samui?

When is the best time to go to Ko Samui? Here's some information to help you in your decision:

• In Ko Samui, the weather is good everywhere in February and March
• The best months to go to Chaweng Beach are February and March
• On average, the warmest months in Chaweng Beach are February, March, April, May, June, July, August, September, October, November and December
• November is the wettest month in this city
• The sea temperature is suitable for swimming all year round in Chaweng Beach

For information about the climate and the weather city by city in Ko Samui for a specific month, click on the corresponding line below:

Month	Average temp.	Rainfall	Our opinion	View Details
JanuaryJan.	29°C	260mm	tolerable	Ko Samui in january
FebruaryFeb.	30°C	68mm	good	Ko Samui in february
MarchMar.	31°C	169mm	good	Ko Samui in march
AprilApr.	32°C	166mm	tolerable	Ko Samui in april
MayMay	32°C	153mm	bad	Ko Samui in may
JuneJun.	32°C	149mm	bad	Ko Samui in june
JulyJul.	32°C	182mm	bad	Ko Samui in july
AugustAug.	32°C	155mm	tolerable	Ko Samui in august
SeptemberSep.	31°C	192mm	tolerable	Ko Samui in september
OctoberOct.	31°C	299mm	tolerable	Ko Samui in october
NovemberNov.	31°C	508mm	tolerable	Ko Samui in november
DecemberDec.	30°C	333mm	tolerable	Ko Samui in december

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When to go to Ko Samui by city

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Climate and Weather in Ko Samui

This content will be available soon.

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Temperatures and rainfall in Ko Samui

On these 3 graphs, we present the evolution of temperatures of Ko Samui and month-by-month rainfall for the cities of Chaweng Beach, Bang Kao (Laem Sor beach), Bophut, Choeng Mon and Koh Madsum, as well as the month-by-month sea temperature for coastal cities..

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Where to go in Ko Samui?

This table allows you to see the maximum temperature for each city and our opinion on the weather month by month (see colour legend below the table).

Cities	jan.	feb.	mar.	apr.	may	jun.	jul.	aug.	sep.	oct.	nov.	dec.
Chaweng Beach	30°C	30°C	31°C	33°C	34°C	33°C	33°C	33°C	32°C	32°C	32°C	31°C
Bang Kao (Laem Sor beach)	30°C	30°C	31°C	33°C	34°C	33°C	33°C	33°C	32°C	32°C	32°C	31°C
Bophut	30°C	30°C	31°C	33°C	34°C	33°C	33°C	33°C	32°C	32°C	32°C	31°C
Choeng Mon	30°C	30°C	31°C	33°C	34°C	33°C	33°C	33°C	32°C	32°C	32°C	31°C
Koh Madsum	30°C	30°C	31°C	33°C	34°C	33°C	33°C	33°C	32°C	32°C	32°C	31°C
Koh Phaluai	30°C	30°C	31°C	33°C	34°C	33°C	33°C	33°C	32°C	32°C	32°C	31°C
Koh Taen	30°C	30°C	31°C	33°C	34°C	33°C	33°C	33°C	32°C	32°C	32°C	31°C
Lamai beach	30°C	30°C	31°C	33°C	34°C	33°C	33°C	33°C	32°C	32°C	32°C	31°C
Lipa Noi	30°C	30°C	31°C	33°C	34°C	33°C	33°C	33°C	32°C	32°C	32°C	31°C
Maenam	30°C	30°C	31°C	33°C	34°C	33°C	33°C	33°C	32°C	32°C	32°C	31°C
Nathon	30°C	30°C	31°C	33°C	34°C	33°C	33°C	33°C	32°C	32°C	32°C	31°C

Legend:

good weather

tolerable weather

bad weather

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Map of Ko Samui

Click over cities for information about the weather.

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About Ko Samui

What can I do in Ko Samui?

Beaches / swimming

Nature and countryside

Culture and heritage

Sports

Family travel

Crafts / shopping

Gastronomy

Nightlife

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