Ko Samui weather live forecast

Tomorrow's maximum temperature in Ko Samui is expected to be 90°F.

5-day weather forecast updated at 04:01 on Wednesday 8th May 2024 GMT

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The 5-day weather forecast for Thailand (Ko Samui) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Ko Samui weather forecast by day

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

Ko Samui weather for Thursday 9th May 2024

Expect isolated thunderstorms in Ko Samui, Thailand with a maximum temperature of 90°F, high levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 77% chance of some rain and a gentle breeze of 9 mph from the east.

  • 90°F maximum temperature90
    °F maximum temperature
  • 84°F minimum temperature84
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 77% chance of some rain77
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 9 mph from the East9
    mph wind from E

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Ko Samui weather for Friday 10th May 2024

Expect isolated thunderstorms in Ko Samui, Thailand with a maximum temperature of 90°F, high levels of heat & humidity, maximum UV of 9 (Very High) and 2 hours of bright sunshine. There are 30-40 mm of rainfall expected with 87% chance of some rain and a gentle breeze of 10 mph from the east.

  • 90°F maximum temperature90
    °F maximum temperature
  • 84°F minimum temperature84
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 87% chance of some rain87
    % chance of some rain
  • 30-40 mm of rainfall expected<40
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 10 mph from the East10
    mph wind from E

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Ko Samui weather for Saturday 11th May 2024

Expect isolated thunderstorms in Ko Samui, Thailand with a maximum temperature of 91°F, high levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 20-30 mm of rainfall expected with 81% chance of some rain and a gentle breeze of 9 mph from the south-east.

  • 91°F maximum temperature91
    °F maximum temperature
  • 84°F minimum temperature84
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 81% chance of some rain81
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 9 mph from the South-East9
    mph wind from SE

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Ko Samui weather for Sunday 12th May 2024

Expect isolated thunderstorms in Ko Samui, Thailand with a maximum temperature of 91°F, high levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 9 mph from the south-east.

  • 91°F maximum temperature91
    °F maximum temperature
  • 84°F minimum temperature84
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 53% chance of some rain53
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 9 mph from the South-East9
    mph wind from SE

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Ko Samui weather for Monday 13th May 2024

Expect isolated thunderstorms in Ko Samui, Thailand with a maximum temperature of 93°F, high levels of heat & humidity, maximum UV of 11+ (Extreme) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 48% chance of some rain and a gentle breeze of 9 mph from the east.

  • 93°F maximum temperature93
    °F maximum temperature
  • 86°F minimum temperature86
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 48% chance of some rain48
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 9 mph from the East9
    mph wind from E

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