Ko Samui weather in January 2022

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  • 29°C maximum daytime temperature in January in Ko Samui29
    29°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in January in Ko Samui10
    10 days with some rainfall
  • 22°C minimum night-time temperature in January in Ko Samui22
    22°C min night temperature
  • 12 hours of daylight per day in January in Ko Samui12
    12 hours of daylight per day
  • High heat & humidity in January in Ko SamuiH
    High heat & humidity
  • 123 mm monthly rainfall in January in Ko Samui123
    123 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in January in Ko Samui11
    11 (Extreme) UV index
  • 28°C sea temperature in January in Ko Samui28
    28°C sea temperature

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The January weather guide for Ko Samui, Thailand 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.

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How hot is it in Ko Samui in January?

Daytime temperatures usually reach 29°C in Ko Samui in January with high heat and humidity, falling to 22°C at night.

How sunny is it in Ko Samui in January?

There are normally 7 hours of bright sunshine each day in Ko Samui in January - that's 64% of daylight hours.

How warm is the sea around Ko Samui in January?

The average sea temperature around Ko Samui in January is 28°C.

Does it rain in Ko Samui in January?

There are usually 10 days with some rain in Ko Samui in January and the average monthly rainfall is 123mm.

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

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Ko Samui sunrise & sunset times for January 2022

Browse the sunrise and sunset times for Ko Samui in January 2022. Select a month to view Ko Samui sunrise & sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st January 2022 06:36 18:11
Sunday, 16th January 2022 06:40 18:18
Monday, 31st January 2022 06:42 18:25

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