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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Playlister UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Thailand in December offers dry, warm weather across most regions, making it one of the best months to visit, with low humidity and plenty of sunshine.
What is the weather like in Thailand during December?
December marks the peak of the cool season in Thailand, with comfortable temperatures and minimal rainfall, especially in the north and central areas. The live forecast above shows current conditions, but expect daytime highs around 28–32°C (82–90°F) in Bangkok and Phuket, cooling to 20–24°C (68–75°F) in northern cities like Chiang Mai. Southern coasts, including Phuket and Krabi, see their driest weather, though the Gulf coast (Koh Samui) can still experience brief showers.
Is December a good time for beach holidays in Thailand?
Yes, December is ideal for beach destinations like Phuket, Krabi and Koh Phi Phi, with calm seas and clear skies. The Andaman coast enjoys its best weather, while the Gulf islands (Koh Samui, Koh Phangan) have slightly more cloud but still plenty of sun. For thailand weather december phuket, expect low humidity and gentle breezes, perfect for swimming and snorkelling.
How does December compare to January?
Weather thailand december january is very similar, though January can be marginally cooler in the north. Both months offer dry conditions, but December often has slightly higher humidity in the south. For thailand weather december winter, it’s worth noting that evenings in Chiang Mai can drop to 15°C (59°F), so pack a light jacket. For thailand weather december bangkok, daytime heat remains consistent, while thailand weather december fahrenheit readings hover around 86–90°F.
Does it rain much in Thailand in December?
Rain is rare in most of Thailand during December. The north and central regions see less than 30mm, while the south (Phuket, Krabi) averages 40–60mm, usually as short afternoon showers. The Gulf coast may have slightly more rain, but still far less than in the wet season.
What should I pack for Thailand in December?
Light cotton clothing for daytime, plus a light jumper or jacket for cooler evenings, especially in the north. Swimwear, sunscreen and a hat are essential for beaches. A compact umbrella can be useful for occasional showers in the south.
Is December a busy tourist month in Thailand?
Yes, December is peak tourist season due to the excellent weather and holiday period. Expect higher prices for flights and accommodation, especially around Christmas and New Year. Book well in advance for popular destinations like Phuket, Bangkok and Chiang Mai.
For more seasonal insights, see our UK weather hub or check Dubai Weather for another warm December destination.