Time zone
GMT +07:00
No time difference
Currency
Thai Baht
1AUD = 23.73THB
Official languages
Thai
Best time to visit
JAN - MAR
Dry season with calm seas and sunny beaches.
Recommended trip duration
4 days
Top things to do in Ko Samui
Top attractions in Ko Samui
Transport in Ko Samui
Hotels in Ko Samui
Reviews of Ko Samui activities
Ko Samui at a glance
Quick facts about Ko Samui
What to know before visiting Ko Samui
What to do in Ko Samui
Ko Samui is best known for relaxed island life and experiences led by Tours, Outdoor & sports activities and Water activities, with restful Massages and occasional Cruises rounding out bookings. Klook booking data shows demand rises and falls through the year, peaking in July when Tours and outdoor adventures are especially popular and dipping sharply in September. If you want lively beach days and the busiest activity options, aim for the July peak; if you prefer a quieter island pace, consider the quieter shoulder months. Decide between peak atmosphere and quieter flexibility. Based on Klook booking data.
When to visit and what to expect
July is the clear busiest month on Klook, with a 67% increase in demand versus a typical month, while September is the quietest with roughly 60% lower demand. Prices move differently across the year: they are typically lowest in July at AUD 16, then climb to a dramatic high in November at AUD 142, so low crowds don't always mean low prices. For lower prices and smaller crowds, visit around September; for peak-season atmosphere and the widest choice of tours and water activities, visit in July. Klook booking data frames these trends.
| Month | Demand Level | Typical Price |
|---|---|---|
| January | Busier than usual | AUD 28 |
| February | About average | AUD 40 |
| March | About average | AUD 45 |
| April | About average | AUD 28 |
| May | About average | AUD 52 |
| June | Busier than usual | AUD 39 |
| July | Peak demand | AUD 16 |
| August | About average | AUD 22 |
| September | Very quiet | AUD 19 |
| October | About average | AUD 27 |
| November | Quieter than usual | AUD 142 |
| December | Quieter than usual | AUD 28 |
Demand is bookings in that month compared with a typical month, from historical Klook booking data, grouped into the demand levels above; typical price is the median paid on Klook in that month; prices are shown with their currency code. Based on Klook booking data, July 2025 – June 2026.
Tips for travellers from Australia
Most travellers book fairly close to travel: experiences on Klook are typically arranged about 2 days ahead, with the earliest planners booking around six days out. That short planning window gives flexibility to pick dates and activities at short notice, but during July’s peak demand it's wise to book earlier to secure popular tours and water activities. Klook booking data indicates many options remain bookable last minute, yet pre-booking for peak months reduces the risk of sold-out slots. Use Klook to compare options, lock in preferred time slots and keep plans flexible.
FAQs about Ko Samui
When is the best time to visit Koh Samui?
When is the best time to visit Koh Samui?
When is the cheapest time to visit Koh Samui?
When is the cheapest time to visit Koh Samui?
How far ahead should I book activities in Koh Samui?
How far ahead should I book activities in Koh Samui?
How much do activities in Koh Samui typically cost?
How much do activities in Koh Samui typically cost?
What is Koh Samui best known for on Klook?
What is Koh Samui best known for on Klook?
Explore more on Klook
Top Activities and Tours
- 1 Ferry Bus Koh Samui Koh Pha
- 2 Island Tour Around Koh Samui Full
- 3 Anantara Lawana Koh Samui Resort Thailand
- 4 Angthing Marine National Park By Speedboat
- 5 Pig And Tan Island Snorkeling Tour
- 6 Lomprayah Ferry Ticket Koh Tao Koh
- 7 Go Karting Experience Round Trip Transfers
- 8 Koh Samui Private Longtail Tour To
