Temperature in Koh Samui in October

Daytime highs, nighttime lows and the warmest cities in Koh Samui, Thailand this October.

Koh Samui, Thailand, a region in Thailand, experiences maximum daytime temperatures in October ranging from 29°C (84°F) in Bophut to 31°C (88°F) in Suratthani. Nighttime temperatures generally drop to 25°C (77°F) in Suratthani and 26°C (79°F) in Bophut .

What is the temperature of the different cities in Koh Samui, Thailand in October?

Find the average daytime temperatures in October for the most popular destinations in Koh Samui on the map below. Click on a destination dot for more detailed information.

Select a Month

Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit Koh Samui, check out our Koh Samui's climate page.

See also: Koh Samui weather by month.

Best Places to Visit in Koh Samui in October

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Koh Samui.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in October: blue is cold, red is hot.

See all October weather averages, cities and regions in Koh Samui

Koh Samui temperatures in October: frequently asked questions

How hot does it get in Koh Samui, Thailand in October?

Expect daytime temperatures around 29°C (84°F) in Chaweng Beach. That makes October a high month for Koh Samui, Thailand.

How cold does it get at night in Koh Samui, Thailand in October?

After dark, Chaweng Beach cools to about 26°C (79°F) on an average October night.

What is the warmest city in October in Koh Samui, Thailand?

Suratthani tops the warmest city list in our database with average maximum daytime temperatures around 31°C (88°F) and a minimum nighttime temperature of around 25°C (77°F).

What is the coldest city in October in Koh Samui, Thailand?

The coldest city in October in Koh Samui, Thailand is Bophut when we check our database. The maximum daytime temperatures are around 29°C (84°F) and minimum nighttime temperatures fall around 26°C (79°F).

How much sun does Koh Samui, Thailand get in October?

Most cities enjoy a balanced amount of sunshine, with around 146 hours of sunlight anticipated in Chaweng Beach. This ensures the days are neither too dim nor excessively sunny.

Interested in more climate information?

We have much more information about the climate in Koh Samui.

Weather and climate has detailed information for every country in the world. Are you going to Thailand? Get detailed historical weather averages for many cities in Thailand.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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