May Rainfall and Precipitation in Koh Samui

Average rainfall, rainy days and the driest cities in Koh Samui, Thailand in May.

Koh Samui, Thailand, a region in Thailand, experiences in May precipitation ranging from a high 119 mm (4.7 in) in Laem Set Beach to a heavy 165 mm (6.5 in) in Suratthani.

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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 May

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

Conditions Temperatures Precipitation
Monthly precipitation 0 mm (0 in) dry → 150 mm (5.9 in) wet

Marker color shows total monthly precipitation in May: pale blue is dry, deep blue is wet.

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

Koh Samui precipitation in May: frequently asked questions

How much rainfall does Koh Samui, Thailand receive in May?

In May, Chaweng Beach typically experiences high rainfall, averaging about 131 mm (5.2 in). This translates to a mix of wet and dry days throughout the month.

How many days does it rain in Koh Samui, Thailand in May?

Rainfall in Chaweng Beach typically falls on roughly 17 days days in May.

Is May part of the rainy season in Koh Samui, Thailand?

Not really. May is outside the wettest stretch of the year in Koh Samui, Thailand.

What is the wettest city in May in Koh Samui, Thailand?

Suratthani is the wettest city in Koh Samui, Thailand in May according to our database, with average rainfall of around 165 mm (6.5 in).

What is the driest city in May in Koh Samui, Thailand?

The driest place is Laem Set Beach with an average rainfall of 119 mm (4.7 in) according to our data.

Interested in more climate information?

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

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