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).
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

Boat transport, Koh Samet in Thailand. Photo: Bjørn Erik Pedersen · CC BY-SA 3.0 · Wikimedia Commons 
Fire dancer on Samet Island, Thailand Photo: Danc222 · CC BY-SA 3.0 · Wikimedia Commons 
Sunrise on Hat Saikaew, Koh Samet Photo: Adam · CC BY 2.0 · Wikimedia Commons
Koh Samet on the map
Pinch to zoom; tap a point for more info. Open circles: approximate location.
More great places nearby
- Nong Nooch Tropical Garden 61 km as the crow flies
- Pattaya Floating Market 68 km as the crow flies
- 💎 Chanthaboon Waterfront Community 71 km as the crow flies
- Cathedral of the Immaculate Conception, Chanthaburi 72 km as the crow flies
- 💎 Pattaya Viewpoint (Khao Phra Tamnak) 75 km as the crow flies
- Sanctuary of Truth 76 km as the crow flies

