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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the BritView weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
December is one of the best months to visit Thailand, with dry, sunny weather across most of the country and temperatures that are warm but not oppressive — typically ranging from the mid-20s to low 30s Celsius. As the live forecast above shows, conditions vary slightly by region, so it pays to check before you plan.
What is the weather like in Thailand in December?
Thailand’s weather in December marks the height of the cool season, thanks to the northeast monsoon. This brings clear skies, low humidity and very little rain to central and northern areas like Bangkok and Chiang Mai. Coastal spots such as Phuket and Krabi also see drier conditions, though the Andaman coast still gets occasional showers early in the month. The Gulf coast — Koh Samui, Pattaya — tends to have more sunshine. For those wondering about thailand weather december fahrenheit, daytime highs sit around 82–90°F, with cooler evenings in the north.
Where is the best place to visit in Thailand in December?
If you’re looking at thailand weather december bangkok, expect warm, dry days perfect for sightseeing. For beach lovers, thailand weather december phuket is generally fine but can have short downpours; consider Koh Samui for sunnier guarantees. Northern cities like Chiang Rai are deliciously cool at night. For more European winter sun ideas, compare our Barcelona Weather page.
Frequently asked questions
Is December a good time to visit Thailand?
Yes — December is part of the dry, cool season, making it one of the most comfortable and popular times to visit. Just book early for accommodation and flights.
How does thailand weather december january compare?
Both months are very similar: dry and sunny. January can be slightly cooler in the north, but overall, the conditions are equally pleasant for travel.
Is it hot or cold in Thailand during December?
It’s warm to hot, especially in the south. In Bangkok, you’ll want light clothing. The north can get cool in the evenings, so a light jacket helps. See our 10 Day Weather Forecast UK for a comparison with British winter temperatures.