Temperatures in Thailand in December

Thailand in December has maximum daytime temperatures ranging from warm in Chiang Rai with 27°C (81°F) to very warm temperatures in Chanthaburi with 32°C (90°F). Nighttime temperatures generally drop to 22°C (71°F) in Chanthaburi and 14°C (56°F) in Chiang Rai. December is one of the coldest months of the year.

What is the temperature for the different cities in Thailand in December

Find the average daytime temperatures in December for the most popular destinations in Thailand on the map below. Click on a destination dot for more detailed information.

Legend very warm warm moderate cold very cold
On this map very warm means daytime maximum temperatures above 30ºC (86ºF). Warm: 22ºC (72ºF) to 30ºC (86ºF). Moderate: 12ºC (54ºF) to 22ºC (72ºF). Cold: 2ºC (36ºF) to 12ºC (54ºF). Very cold means lower than 2ºC (36ºF).

  • What is the warmest city in December in Thailand?
  • Chanthaburi tops the warmest city list in our database with average maximum daytime temperatures around 32°C (90°F) and minimum nighttime temperature around 22°C (71°F).

  • What is the coldest city in December in Thailand?
  • The coldest city in December in Thailand is Chiang Rai when we check our database. The maximum daytime temperatures are around 27°C (81°F) and minimum nighttime temperatures fall around 14°C (56°F).

  • How much sun does Thailand get in December?
  • December is generally a sunny month with an average of 262 hours of sunshine in Bangkok during the whole month.

  • How warm is the water in December?
  • The water temperature averages approximately 29°C (83°F) in Ko Samui this month, an ideal temperature for swimming.

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