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Koh Samui travel guide

Thailand

Koh Samui travel guide

Best time to visit February·March·AprilNovember 30°/24°

Flights to Koh Samui

Cheapest month · Jan 2027$1,2611/9 → 1/22 · round trip · 2 stopsSee flights

Prices change; check the final fare when booking.

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Top tours & tickets in Koh Samui

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

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When to visit Koh Samui: month by month

Tap a month for weather, prices and tips for that month.

What is Comfort?

Rainy days = average days a month with 1 mm+ of rain · Comfort = 0–100 score from daytime highs (best at 18–28°C) and rainy days

Koh Samui travel facts

Quick facts

Currency
THB (฿)
Plug
A / B / C / O
Voltage
220V/50Hz
Driving
left
Emergency
191
Tipping
optional
Tap water
use bottled

Airports

  • USMSamui International AirportAirport transfers →
  • URTSurat Thani Airport110.9 km
  • NSTNakhon Si Thammarat Airport111.1 km

Public holidays 2026

  • January1New Year's Day
  • March3Makha Bucha Day
  • April6Chakri Memorial Day
  • April13Songkran Festival4/13~15
  • May1National Labour Day
  • May4Coronation Day
  • May31Visakha Bucha Day
  • June3Queen Suthida's Birthday
  • July28King Vajiralongkorn's Birthday
  • July29Asarnha Bucha Day
  • July30Buddhist Lent Day
  • August12Mother's Day
  • October13King Bhumibol Memorial Day
  • October23Chulalongkorn Day

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