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  3. Koh Samet

Island / bay · Rayong

Koh Samet

เกาะเสม็ด

A small island off Rayong, about 220 km from Bangkok, part of a national park, with soft white sand and calm bays.

East🏝️ Island / bay

📅 When to go📍 On the map

Ao Phai in Koh Samet, Thailand.
Photo: Bjørn Erik Pedersen, CC BY-SA 3.0, Wikimedia Commons

About Koh Samet

A small island off Rayong, about 220 km from Bangkok, part of a national park, with soft white sand and calm bays. A favourite weekend escape from the capital.

Highlights

  • White-sand bays
  • Close to Bangkok
  • Beach dinners

In depth on our site

Koh Samet also has a full entry on our islands page, with more photos and tips.

When to visit Koh Samet

Month by month: good, OK or less good, based on average rain and temperature (Rayong climate).

  1. JanGood
  2. FebGood
  3. MarOK
  4. AprOK
  5. MayLess good
  6. JunLess good
  7. JulLess good
  8. AugLess good
  9. SepLess good
  10. OctLess good
  11. NovGood
  12. DecGood

Best months: January, February, November, December.

  • January Dry: about 25 mm on 3 rain days, max 32°C (Rayong climate)
  • February Dry: about 25 mm on 3 rain days, max 32°C (Rayong climate)
  • March Some rain: about 65 mm on 6 rain days, max 33°C (Rayong climate)
  • April Some rain: about 80 mm on 9 rain days, max 34°C (Rayong climate)
  • May Rainy season: about 185 mm on 17 rain days, max 34°C (Rayong climate)
  • June Rainy season: about 240 mm on 18 rain days, max 33°C (Rayong climate)
  • July Rainy season: about 240 mm on 18 rain days, max 32°C (Rayong climate)
  • August Rainy season: about 220 mm on 18 rain days, max 32°C (Rayong climate)
  • September Rainy season: about 300 mm on 20 rain days, max 32°C (Rayong climate)
  • October Rainy season: about 230 mm on 18 rain days, max 32°C (Rayong climate)
  • November Dry: about 55 mm on 8 rain days, max 32°C (Rayong climate)
  • December Dry: about 15 mm on 2 rain days, max 32°C (Rayong climate)

Source: climate figures from our weather page: Weather and climate.

Practical information

Location
Rayong (Approximate location.) · 12.56778, 101.45472
Type
🏝️ Island / bay

Opening hours and entry fee: no reliable source found, so not listed. Ask on site or check the official website.

More photos of Koh Samet

Koh Samet on the map

Pinch to zoom; tap a point for more info. Open circles: approximate location.

Video: Koh Samet

🇹🇭 FULL TOUR Koh Samet - Thailand 🏝️ 100% BETTER Than Koh Larn · Chai Travel. Video from YouTube; it only loads when you click.

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