Temperature in Koh Samui in April

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

Koh Samui, Thailand, a region in Thailand, experiences very high average maximum daytime temperatures in April, ranging from 30°C (86°F) in Chaweng Beach to 35°C (95°F) in Suratthani. Nighttime temperatures generally drop to 26°C (79°F) in Suratthani and 28°C (82°F) in Chaweng Beach.

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

To get a sense of April's typical temperatures in the key spots of Koh Samui, explore the map below. Click on a point for an in-depth look.

Select a Month

Check the conditions for any month of the year.

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 April

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 April: blue is cold, red is hot.

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

Koh Samui temperatures in April: frequently asked questions

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

Expect daytime temperatures around 30°C (86°F) in Chaweng Beach. That makes April a very high month for Koh Samui, Thailand.

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

Nighttime temperatures in Chaweng Beach typically drop to around 28°C (82°F) in April.

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

Suratthani tops the warmest city list in our database with average maximum daytime temperatures around 35°C (95°F) and a minimum nighttime temperature of around 26°C (79°F).

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

The coldest city in April in Koh Samui, Thailand is Chaweng Beach when we check our database. The maximum daytime temperatures are around 30°C (86°F) and minimum nighttime temperatures fall around 28°C (82°F).

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

Chaweng Beach enjoys approximately 201 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.

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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.