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Koh Samui in May

Thailand

Koh Samui in May

33° / 26°Rainy days 26

Cheapest flights to Koh Samui in May

  • From SingaporeThu, May 27 → Wed, Jun 2 · round trip$341Book

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Good-value Koh Samui hotels in May

See hotels on Trip.com

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eSIMeSIM for ThailandData the moment you landKlook eSIMeSIM guide →Airalo ↗

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Koh Samui weather in May

High / Low

33° / 26°

Rain

186 mm

Rainy days

26 / 30

Index · #8/12

20/100

Koh Samui in May ranks #8 of 12 months for comfort: highs around 33°C, lows 26°C, and about 26 rainy days. Compared with April, highs change by +1°C and rainy days by +15.

Compared with the months around it

MonthHigh / LowRainy daysIndex
April32° / 26°1257
May33° / 26°2620
June34° / 25°2620

Top tours & tickets in Koh Samui

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Public holidays · May 2027

Showing 2027, since this month has passed this year.

  • 05/01National Labour Day
  • 05/04Coronation Day
  • 05/20Visakha Bucha Day

Month

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