Ko Samui weather in January

Check the Weather in Ko Samui, Thailand in January before you book your next holiday. This gives the best indication of the weather in January and includes figures for temperature, sunshine and rainfall.

  • 29°C maximum daytime temperature in January in Ko Samui29
    29°C max day temperature
  • 7 hours of sunshine per day (64% of daylight hours) in January in Ko Samui7
    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

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

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