Thailand weather in January 2026

Expect daytime maximum temperatures of 32°C in Thailand in January and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average.

  • 32°C maximum daytime temperature in January in Thailand (Bangkok)32
    32°C max day temperature
  • 9 hours of sunshine per day
  • 1 day with some rainfall in January in Thailand (Bangkok)1
    1 day with some rainfall
  • 21°C minimum night-time temperature in January in Thailand (Bangkok)21
    21°C min night temperature
  • 11 hours of daylight per day in January in Thailand (Bangkok)11
    11 hours of daylight per day
  • High heat & humidity in January in Thailand (Bangkok)H
    High heat & humidity
  • 8 mm monthly rainfall in January in Thailand (Bangkok)8
    8 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in January in Thailand (Bangkok)10
    10 (Very High) UV index

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The January weather guide for Thailand (Bangkok) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Thailand destinations

Below are average maximum temperatures at popular countries, regions and places in Thailand in January. Select a holiday destination to see more weather parameters.

All Thailand destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Thailand

How hot is it in Thailand in January?

Daytime temperatures usually reach 32°C in Bangkok, Thailand in January with high heat and humidity, falling to 21°C at night.

How sunny is it in Thailand in January?

There are normally 9 hours of bright sunshine each day in Bangkok, Thailand in January - that's 75% of daylight hours.

Does it ever rain in Thailand in January?

There is usually 1 day with some rain in Bangkok, Thailand in January and the average monthly rainfall is 8mm.

Thailand January sunrise & sunset times

Browse the sunrise and sunset times for Thailand in January 2026. Select a month to view Thailand sunrise and sunset times for the next 12 months. The Thailand sunrise and sunset times shown below are for Bangkok.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 06:41 18:01
Friday, 16th January 2026 06:45 18:10
Saturday, 31st January 2026 06:45 18:17

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