Koh Samui has beaches, temples, waterfalls and wellness retreats, while Koh Tao and Ang Thong offer diving and snorkeling. The Gulf coast's dry season runs February to September, opposite to Phuket.
Month by month
Best: January, February, March, April, May, June, July, August, September
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Avoid Poor OK Good Excellent Peak
How long to stay
4–7 days is the sweet spot.
Flight time
About 23h from the US East Coast, 13h from Europe, 4h from South Asia.
Good to know
- Ferries from Surat Thani and Koh Phangan run daily; book via the main ferry operators.
- Rent a scooter only with a valid license and a helmet.
- Ang Thong Marine Park trips run only in dry season.
Plan a trip to Koh Samui & Koh Tao
Pick your dates and Offdays builds a day-by-day itinerary from Koh Samui & Koh Tao's best places.
Destination