Thailand travel guide
Thailand in December has excellent weather, with highs near 31°C, lows near 21°C and only about 10 mm of rain, but demand peaks over Christmas and New Year. Book flights, hotels and boats early. It suits beach holidays, honeymoons and sightseeing.
Facts checked 2 Nov 2026
Excellent weather and peak demand, especially over Christmas and New Year.
This guide explains what Thailand is like in December: the weather, how busy it is, what to plan and who the month suits. Figures are typical values from our destination research, so check a forecast before you travel.
Daytime highs reach about 31°C and lows about 21°C. Rainfall is around 10 mm for the month and humidity is about 68 percent. December is the driest month in our figures, with about 10 mm of rain, highs near 31°C and lows near 21°C. Humidity is about 68 percent. Cool mornings and evenings make the north especially pleasant.
December suits honeymooners, families on holiday breaks and anyone who wants the most dependable weather. It does not suit travellers who need low prices or quiet beaches.
December is cooler and drier than November and has the strongest demand of the year. January is similar in weather but slightly calmer once the New Year rush ends.
December combines the best weather with the highest pressure on hotels and flights. Our research notes that December to February, and the Christmas and New Year period in particular, command the strongest demand. For the Andaman coast, December to January is often the best beach window. To manage cost, avoid the days around 25 December to 1 January if you can, choose one beach region and book early. Cooler northern mornings suit temple and mountain days. Keep a flexible evening each day, because travellers report that crowded schedules are tiring. Our packages are land-only, so flights are booked separately.
This guide is compiled from published tourism and weather information and traveller reports about Thailand, and was last checked on 2 November 2026. Weather, prices and schedules change, so confirm details before you book.
See the full best time to visit Thailand guide, plan your days with places to visit in Thailand and things to do in Thailand, and browse our Thailand tour packages. The Thailand Honeymoon 6N package suits couples. Compare November and January.
Ready-made trips
Bangkok 2N · Pattaya 2N
Phuket 3N · Krabi 2N
Bangkok 2N · Phuket 3N
*Approximate price per person, excl. GST. Contact us for exact pricing.
Packages cover stays, transfers, sightseeing and meals as listed. Flights are not included. Prices are per person, excl. GST.
FAQs
Short answers to what travellers ask about Thailand.
Thailand in December has daytime highs near 31°C and lows near 21°C, with about 10 mm of rain and humidity around 68 percent. Check the forecast closer to your dates, because weather varies by region and by year.
December is peak season, especially around Christmas and New Year, so expect crowds and higher prices. The weather is excellent, with about 10 mm of rain, so book early and avoid the holiday week if you can.
Rainfall in December is around 10 mm for the month, across the country. The Andaman and Gulf coasts have different patterns, so check the coast you plan to visit and keep one flexible day for outdoor plans.
Pack light, breathable clothing, sun protection and comfortable shoes, plus a light rain jacket if showers are likely. Carry covered clothing for temples, with shoulders and knees covered, and insect repellent for the evening.
Peak season brings higher prices, so book early. Our packages are land-only, so flights are extra.
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