Ko Samui Weather Forecast

Check the Ko Samui weather forecast for the next 5 days before you head off on holiday. The 5-day forecast shows the prevailing weather conditions, maximum & minimum temperatures, hours of sunshine per day, wind speed & direction and more.

Tomorrow's maximum temperature in Ko Samui is expected to be 32°C.

  • Sunday
    26th Mar
    Scattered clouds
  • Monday
    27th Mar
    Isolated thunderstorms (5-10 mm of rainfall expected)
  • Tuesday
    28th Mar
    Isolated thunderstorms (20-30 mm of rainfall expected)
  • Wednesday
    29th Mar
    Isolated thunderstorms (10-20 mm of rainfall expected)
  • Thursday
    30th Mar
    Isolated thunderstorms (10-20 mm of rainfall expected)

Last updated at 04:05 on Sunday 26th March 2017 GMT

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

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Ko Samui weather forecast by day

Below are the detailed weather forecasts for Ko Samui for the next 5 days.

Ko Samui weather for Sunday 26th March 2017

Below is the Ko Samui weather forecast for Sunday 26th March 2017. Expect scattered clouds in Ko Samui, Thailand with a maximum temperature of 29°C, moderate levels of heat & humidity and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the east.

  • 29
    °C maximum temperature
  • 9
    °C minimum temperature
  • scattered clouds
  • 6
    hours of sunshine
  • 0
    mm of rainfall expected
  • M
    moderate heat & humidity
  • 22
    kph wind from E

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Ko Samui weather for Monday 27th March 2017

Below is the Ko Samui weather forecast for Monday 27th March 2017. Expect isolated thunderstorms in Ko Samui, Thailand with a maximum temperature of 32°C, high levels of heat & humidity and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 63% chance of some rain and a moderate breeze of 22 kph from the east.

  • 32
    °C maximum temperature
  • 28
    °C minimum temperature
  • isolated thunderstorms
  • 4
    hours of sunshine
  • 63
    % chance of some rain
  • <10
    mm of rainfall expected
  • H
    high heat & humidity
  • 22
    kph wind from E

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Ko Samui weather for Tuesday 28th March 2017

Below is the Ko Samui weather forecast for Tuesday 28th March 2017. Expect isolated thunderstorms in Ko Samui, Thailand with a maximum temperature of 29°C, moderate levels of heat & humidity and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 82% chance of some rain and a moderate breeze of 23 kph from the east.

  • 29
    °C maximum temperature
  • 27
    °C minimum temperature
  • isolated thunderstorms
  • 0
    hours of sunshine
  • 82
    % chance of some rain
  • <30
    mm of rainfall expected
  • M
    moderate heat & humidity
  • 23
    kph wind from E

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Ko Samui weather for Wednesday 29th March 2017

Below is the Ko Samui weather forecast for Wednesday 29th March 2017. Expect isolated thunderstorms in Ko Samui, Thailand with a maximum temperature of 31°C, moderate levels of heat & humidity and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 88% chance of some rain and a moderate breeze of 25 kph from the east.

  • 31
    °C maximum temperature
  • 27
    °C minimum temperature
  • isolated thunderstorms
  • 2
    hours of sunshine
  • 88
    % chance of some rain
  • <20
    mm of rainfall expected
  • M
    moderate heat & humidity
  • 25
    kph wind from E

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Ko Samui weather for Thursday 30th March 2017

Below is the Ko Samui weather forecast for Thursday 30th March 2017. Expect isolated thunderstorms in Ko Samui, Thailand with a maximum temperature of 31°C, moderate levels of heat & humidity and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 80% chance of some rain and a gentle breeze of 16 kph from the east.

  • 31
    °C maximum temperature
  • 28
    °C minimum temperature
  • isolated thunderstorms
  • 5
    hours of sunshine
  • 80
    % chance of some rain
  • <20
    mm of rainfall expected
  • M
    moderate heat & humidity
  • 16
    kph wind from E

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  • Book online & save up 10% on Thailand holidays
  • 1,000's of FREE kids places available + low deposits
  • Travel before 30th April 2018 (inclusive)

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Ko Samui weather by month

Check Ko Samui weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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