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 33°C.

5-day weather forecast for Ko Samui

Click on a symbol below to see the daily forecast in detail.

Last updated at 16:06 on Friday 17th November 2017 GMT

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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 Saturday 18th November 2017

Below is the Ko Samui weather forecast for Saturday 18th November 2017. Expect scattered clouds in Ko Samui, Thailand with a maximum temperature of 33°C, high levels of heat & humidity and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the east.

  • 33
    °C maximum temperature
  • 27
    °C minimum temperature
  • scattered clouds
  • 7
    hours of sunshine
  • 0
    mm of rainfall expected
  • H
    high heat & humidity
  • 15
    kph wind from E

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Ko Samui weather for Sunday 19th November 2017

Below is the Ko Samui weather forecast for Sunday 19th November 2017. Expect isolated thunderstorms in Ko Samui, Thailand with a maximum temperature of 33°C, high levels of heat & humidity and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 54% chance of some rain and a gentle breeze of 14 kph from the west.

  • 33
    °C maximum temperature
  • 27
    °C minimum temperature
  • isolated thunderstorms
  • 7
    hours of sunshine
  • 54
    % chance of some rain
  • <2
    mm of rainfall expected
  • H
    high heat & humidity
  • 14
    kph wind from W

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Ko Samui weather for Monday 20th November 2017

Below is the Ko Samui weather forecast for Monday 20th November 2017. Expect isolated thunderstorms in Ko Samui, Thailand with a maximum temperature of 31°C, moderate levels of heat & humidity and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 67% chance of some rain and a gentle breeze of 15 kph from the north.

  • 31
    °C maximum temperature
  • 27
    °C minimum temperature
  • isolated thunderstorms
  • 3
    hours of sunshine
  • 67
    % chance of some rain
  • <10
    mm of rainfall expected
  • M
    moderate heat & humidity
  • 15
    kph wind from N

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Ko Samui weather for Tuesday 21st November 2017

Below is the Ko Samui weather forecast for Tuesday 21st November 2017. Expect isolated thunderstorms in Ko Samui, Thailand with a maximum temperature of 31°C, moderate levels of heat & humidity and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 72% chance of some rain and a light breeze of 10 kph from the north-east.

  • 31
    °C maximum temperature
  • 26
    °C minimum temperature
  • isolated thunderstorms
  • 3
    hours of sunshine
  • 72
    % chance of some rain
  • <20
    mm of rainfall expected
  • M
    moderate heat & humidity
  • 10
    kph wind from NE

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Ko Samui weather for Wednesday 22nd November 2017

Below is the Ko Samui weather forecast for Wednesday 22nd November 2017. Expect isolated thunderstorms in Ko Samui, Thailand with a maximum temperature of 32°C, high levels of heat & humidity and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 19 kph from the east.

  • 32
    °C maximum temperature
  • 26
    °C minimum temperature
  • isolated thunderstorms
  • 5
    hours of sunshine
  • 56
    % chance of some rain
  • <10
    mm of rainfall expected
  • H
    high heat & humidity
  • 19
    kph wind from E

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  • Save up to 10% on all inclusive holidays to Thailand
  • Book online with First Choice to receive discount
  • FREE kids places & low deposits also available

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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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