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December is peak season for good reason. The mainland enjoys cool, dry, sunny weather, the beaches are at their best and the festive spirit is in the air. It is a fantastic, if popular, month to explore Southeast Asia at its most reliable.
December delivers some of the year's finest weather: warm, sunny days, cool evenings and very little rain across the mainland. Northern Thailand and Vietnam can feel genuinely crisp after dark.
Both Thai coasts are largely dry now, and the Andaman islands in particular are picture-perfect, making this a superb all-round beach month.
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December is prime time for Phuket, Krabi, Koh Lanta and the Phi Phi Islands, with calm, clear seas ideal for snorkelling, diving and island-hopping.
Beach days are reliably sunny, and the warm-but-not-scorching temperatures make it perfect for combining coast and culture in a single trip.
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The cool, dry weather makes December an ideal month for Angkor. Sunrise over the temples is spectacular, and the comfortable temperatures allow for long, rewarding days of exploration.
Pair Siem Reap with Phnom Penh and the southern coast for a well-rounded Cambodian adventure in the best of the season.
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Northern Vietnam is cool and clear in December, excellent for Hanoi's old quarter and calm Ha Long Bay cruises. Wrap up warm for chilly evenings, especially in the highlands around Sapa.
The crisp air and clear skies make for beautiful photography across the karst landscapes and city streets.
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December is the busiest and priciest month, particularly over Christmas and New Year. Book flights, cruises and standout hotels as far ahead as you can.
Pack layers for the temperature swing between hot beaches and cool northern nights, and expect popular sites to be lively.
December offers the region at its dependable, festive best, ideal for a memorable end-of-year escape. Our small-group trips take the stress out of peak-season logistics.
Browse the departures below and secure your place on a journey through Southeast Asia's finest month.
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