December delivers the brochure: sun, flat seas, the coolest comfortable evenings of the year. From mid-month the holiday surge hits — flights and villas for Christmas–New Year sell out far in advance at 30–50% premiums. Before Dec 20 the island is noticeably calmer and cheaper.
FAQ
How warm is the sea in December?
Around 28°C — comfortable for long swims. Seas are generally calm across the island's beaches.
How rainy is Phuket in December?
Roughly 7 days with rain. Showers are rare and brief — rain will not shape your plans.
Is December a good month to visit?
Textbook Phuket weather and the festive peak — book months ahead for holiday dates.
Planning a trip in December?
Direct rentals across 16 areas with free cancellation — tell us your dates and the manager will send options within an hour.