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 January, February, March, April, August and December
  • The best months to go to Chaweng Beach are January, February, March, April, August and December
  • On average, it is hot all year round in Chaweng Beach
  • November is the wettest month in this city
  • The cities with the best climate are Chaweng Beach, Bang Kao (Laem Sor beach), Bophut, Choeng Mon, Koh Madsum, Koh Phaluai, Koh Taen, Lamai beach, Lipa Noi, Maenam and Nathon, with good weather at least 6 months a year
  • 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
January 85°F
48%
February 85°F
28%
March 86°F
35%
April 88°F
45%
May 90°F
66%
June 88°F
65%
July 88°F
70%
August 88°F
62%
September 86°F
71%
October 86°F
74%
November 86°F
82%
December 85°F
60%

Best time to travel to Ko Samui by cities

Chaweng Beach

Best time to go to Chaweng Beach

The best months to go to Chaweng Beach je %MONTH% are january, february, march, april, august and december.

Bang Kao (Laem Sor beach)

Best time to go to Bang Kao (Laem Sor beach)

The best months to go to Bang Kao (Laem Sor beach) je %MONTH% are january, february, march, april, august and december.

Bophut

Best time to go to Bophut

The best months to go to Bophut je %MONTH% are january, february, march, april, august and december.

Choeng Mon

Best time to go to Choeng Mon

The best months to go to Choeng Mon je %MONTH% are january, february, march, april, august and december.

Koh Madsum

Best time to go to Koh Madsum

The best months to go to Koh Madsum je %MONTH% are january, february, march, april, august and december.

Koh Phaluai

Best time to go to Koh Phaluai

The best months to go to Koh Phaluai je %MONTH% are january, february, march, april, august and december.


Other cities and places in Ko Samui


Tours and organised trips in Ko Samui


Climate and Weather in Ko Samui

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Ko Samui: An Open Invitation


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.

85°F
83°F
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48% 28% 35% 45% 66% 65% 70% 62% 71% 74% 82% 60%
83°F 85°F 85°F 86°F 88°F 86°F 86°F 86°F 86°F 86°F 86°F 85°F
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48% 28% 35% 45% 66% 65% 70% 62% 71% 74% 82% 60%
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48% 28% 35% 45% 66% 65% 70% 62% 71% 74% 82% 60%
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48% 28% 35% 45% 66% 65% 70% 62% 71% 74% 82% 60%
85°F
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48% 28% 35% 45% 66% 65% 70% 62% 71% 74% 82% 60%
83°F 85°F 85°F 86°F 88°F 86°F 86°F 86°F 86°F 86°F 86°F 85°F
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48% 28% 35% 45% 66% 65% 70% 62% 71% 74% 82% 60%
83°F 85°F 85°F 86°F 88°F 86°F 86°F 86°F 86°F 86°F 86°F 85°F
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48% 28% 35% 45% 66% 65% 70% 62% 71% 74% 82% 60%
85°F
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83°F
88°F
85°F
90°F
86°F
92°F
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48% 28% 35% 45% 66% 65% 70% 62% 71% 74% 82% 60%
85°F
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86°F
83°F
88°F
85°F
90°F
86°F
92°F
88°F
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48% 28% 35% 45% 66% 65% 70% 62% 71% 74% 82% 60%
85°F
83°F
86°F
83°F
88°F
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86°F
92°F
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48% 28% 35% 45% 66% 65% 70% 62% 71% 74% 82% 60%
83°F 85°F 85°F 86°F 88°F 86°F 86°F 86°F 86°F 86°F 86°F 85°F
85°F
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48% 28% 35% 45% 66% 65% 70% 62% 71% 74% 82% 60%

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.mayjun.jul.aug.sep.oct.nov.dec.
Chaweng Beach85°F86°F88°F90°F92°F90°F90°F90°F88°F88°F88°F86°F
Bang Kao (Laem Sor beach)85°F86°F88°F90°F92°F90°F90°F90°F88°F88°F88°F86°F
Bophut85°F86°F88°F90°F92°F90°F90°F90°F88°F88°F88°F86°F
Choeng Mon85°F86°F88°F90°F92°F90°F90°F90°F88°F88°F88°F86°F
Koh Madsum85°F86°F88°F90°F92°F90°F90°F90°F88°F88°F88°F86°F
Koh Phaluai85°F86°F88°F90°F92°F90°F90°F90°F88°F88°F88°F86°F
Koh Taen85°F86°F88°F90°F92°F90°F90°F90°F88°F88°F88°F86°F
Lamai beach85°F86°F88°F90°F92°F90°F90°F90°F88°F88°F88°F86°F
Lipa Noi85°F86°F88°F90°F92°F90°F90°F90°F88°F88°F88°F86°F
Maenam85°F86°F88°F90°F92°F90°F90°F90°F88°F88°F88°F86°F
Nathon85°F86°F88°F90°F92°F90°F90°F90°F88°F88°F88°F86°F

Legend:

good weather

tolerable weather


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Map of Ko Samui

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Legend: cities in Ko Samui

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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Is this weather information for Ko Samui reliable?

Climate data for Ko Samui has been gathered every day since January 2009. The analysis of these meteorological data for Ko Samui allows us to determine the average for each month in Chaweng Beach, Bang Kao (Laem Sor beach), Bophut, Choeng Mon, Koh Madsum, Koh Phaluai, Koh Taen, Lamai beach, and 3 other cities.

So yes: this data is reliable except in cases of temporary climate disruption in the region.

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