Facts checked against live data · 12 Sept 2026

Good time to go

Thailand in December: Weather, Crowds & What's On

What December is actually like in Thailand — average highs and lows, how much rain to expect, public holidays that fill trains and hotels, and verified places to go.

Average high
30°C
Average low
20°C
Rainfall
9mm

Where this month sits in the year

The 11th warmest month of Thailand's year. The driest month of the year.

Public holidays in December

Domestic travel peaks around these dates — book earlier and expect busier sights.

  • December 5 King Bhumibol's Birthday
  • December 7 King Bhumibol's Birthday observed
  • December 10 Constitution Day
  • December 24 Christmas Eve
  • December 25 Christmas Day
  • December 31 New Year's Eve

What's closed on your dates →

Planning a trip this month?

Thailand travel guides → All countries →

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Climate figures are 10-year averages for Bangkok, from NASA POWER; holidays from public calendars. Updated monthly.

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