2026 Koh Samui events

Ready to make some plans? Below, the 2026 Koh Samui events calendar is ready for anyone clever enough to plan things in advance (and always here for those of us who will show up and hope for the best). Are you more of a last-minute sort? You're in luck – Koh Samui is often a last-minute kind of place. Below, you'll find annual Koh Samui events, holidays, festivals and 2026 Full Moon Party dates (on nearby Koh Phangan). I update this calendar regularly as new or last-minute events are announced so make sure you don't miss email updates. Enjoy!

Koh Samui questions?

Ready to get going and don't want to miss a minute? For cocktail spots, sunset drinks and every-which-way to make merry, The Koh Samui Guide has every scrap of my 20+ years' Samui expertise inside. (Yep, you're got you covered for hangover brunches, too). Most of all, you'll arrive prepared with crucial packing and safety tips – ready to roll.

Key Events:

• Koh Samui Songkran
• Christmas on Koh Samui
• New Year's Eve

Jump to month:

• January
• February
• ‍March
• April
• May
• June
• July
• August
• September
• October
• November
• December

January 2026

• 01 New Year's Day
• 03 Full Moon Party (Koh Phangan)‍
• 10 Children's Day (Thailand)

February 2026

• 02 Full Moon Party (Koh Phangan)
• 14 Valentine's Day
• 17 Chinese New Year

March 2026

• 03 Makha Bucha Day (Buddhist holy day)
• 03 Full Moon Party (Koh Phangan)
• 27 Samui Open Beach Volleyball Tournament (through March 29)

April 2026

• 02 Full Moon Party (Koh Phangan)‍
• 06 Chakri Day (Thai national holiday)
• 13 Songkran (Thai New Year, through April 15)

May 2026

• 01 Labour Day
• 01 Full Moon Party (Koh Phangan)
• 23 Samui Regatta (through May 30)
• 31 Visakha Bucha Day (Buddhist holy day)‍
• 31 Full Moon Party (Koh Phangan)

June 2026

• 02 Public holiday
• 03 H.M. Queen's Birthday
• 29 Full Moon Party (Koh Phangan)

July 2026

• 28 H.M. King's Birthday‍
• 29 Asana Bucha Day (Buddhist holy day)‍
• 29 Full Moon Party (Koh Phangan)

August 2026

• 12 Mother's Day (Thailand)
• 12 H.M. Queen Mother's Birthday
• 28 Full Moon Party (Koh Phangan)

September 2026

• 26 Full Moon Party (Koh Phangan)

October 2026

• 13 Anniversary of His Majesty the Late King Bhumibol‍
• 26 Full Moon Party (Koh Phangan)‍
• Tip: Rainy season on Koh Samui (usually) begins in late October/early November

November 2026

• 24 Full Moon Party (Koh Phangan)
• 25 Loy Krathong

December 2026

• 24 Full Moon Party (Koh Phangan)
• 25 Christmas
• 31 New Year's Eve

More questions?

• Shop: The Koh Samui Guide
• FAQs: How to get around?
• Hotels: 21 Private Pool Villas on Koh Samui