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Weather in Koh Mak
Unspoiled family island near the Cambodian border
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About Koh Mak
Koh Mak succeeds at the difficult goal of being an unspoiled family island—no nightlife culture, minimal infrastructure, maximum quiet—near Thailand's Cambodian border. Coconut plantations dominate the interior while simple bungalows nestle in beach coves, creating an introvert's paradise.
Best months to visit
January, February, December
Things to do in Koh Mak
Beach relaxation on quiet shores without crowds
Snorkeling from beach directly to coral
Fishing boat tours along coast
Island walks through coconut plantations
Sunset yoga and meditation sessions
Local restaurant family dinners
Weather by month
Click any month for detailed weather information and travel tips.
Recommended
January
28C
Warm and pleasant, with occasional showers.
Recommended
February
28C
Warm and pleasant, with occasional showers.
March
29C
Warm and pleasant, with regular rainfall.
April
30C
Hot and humid, with regular rainfall.
May
30C
Hot and humid, with frequent heavy rain.
June
29C
Warm and pleasant, with frequent heavy rain.
July
29C
Warm and pleasant, with frequent heavy rain.
August
29C
Warm and pleasant, with frequent heavy rain.
September
28C
Warm and pleasant, with frequent heavy rain.
October
29C
Warm and pleasant, with frequent heavy rain.
November
29C
Warm and pleasant, with some rainy days.
Recommended
December
29C
Warm and pleasant, with occasional showers.
Koh Mak is a small, flat island in the Gulf of Thailand near Koh Chang and Koh Kut, owned almost entirely by just a few families who have deliberately kept development low-rise and low-key. Coconut and rubber plantations cover much of the interior, while a handful of long sandy beaches on the south coast offer calm, shallow water — making it a favourite for families and cyclists rather than party crowds.
Best areas to stay in Koh Mak
Ao Suan Yai
One of the island's main beaches, with a cluster of resorts, restaurants and the busiest pier.
Ao Kao
A long sandy beach on the southwest coast known for calm, shallow water and a more relaxed scattering of bungalows.
Ao Nid
A smaller bay with a fishing pier, useful for boat trips to nearby islands and a more local feel.
Koh Kham (nearby island)
A small island just off Koh Mak's coast, popular for snorkelling day trips with clear shallow water.
Getting to Koh Mak
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Flights
Fly into Trat Airport (limited domestic flights) or Bangkok and continue overland to Laem Ngop pier.
⏱
From London
~13-15 hours from London via Bangkok, plus 3-4 hours overland and a ferry crossing.
🚕
Getting around
Bicycles and motorbikes are the main way to get around the island, which is small and flat enough to cross in under an hour.
Frequently asked questions
When is the best time to visit Koh Mak?
November to April is driest and best for swimming, with calm seas for the boat crossing; many resorts close or operate limited services during the wet season (May to October).
How do I get to Koh Mak?
Ferries run from Laem Ngop pier near Trat (around 1.5-2 hours), the same gateway used for Koh Chang and Koh Kut, making it easy to combine islands on one trip.
What is there to do on Koh Mak?
Cycling around the island's quiet roads past coconut plantations, relaxing on Ao Suan Yai and Ao Kao beaches, and snorkelling at nearby Koh Kham are the main activities — nightlife is very limited.
Is Koh Mak good for families?
Yes — the calm, shallow water on the main beaches and the island's flat, bike-friendly layout make it popular with families seeking a quieter alternative to Koh Chang.
How developed is Koh Mak compared to Koh Chang?
Much less so — there are no large resort chains or late-night bars, and most accommodation is small-scale, reflecting the handful of families who own most of the island's land.
Traveler reviews
★★★★★
Exactly the slow, low-key island we were looking for after busier stops elsewhere in Thailand — cycled everywhere, swam in calm water at Ao Kao, and barely saw another tourist outside our resort.
Petra L. · December 2024
★★★★☆
Brought our kids and the shallow, calm water at the main beaches made it easy and safe for them to play. Not much to do in the evenings but that was kind of the point.
Marcus T. · March 2024
★★★★☆
Combined it with Koh Kut on the same trip — the ferry connections from Trat made island-hopping straightforward. Koh Mak felt noticeably quieter and greener than Koh Chang.
Suda W. · October 2023
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