Ko Samui weather live forecast

Tomorrow's maximum temperature in Ko Samui is expected to be 35°C.

5-day weather forecast updated at 04:01 on Tuesday 23rd April 2024 GMT

More about Ko Samui

Ko Samui by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Thailand

First Choice: Top deals on 2024/2025 holidays

  • Save on summer & winter sun holidays in 2024/2025
  • Book holidays to popular destinations around the world
  • Pay £0 deposits & spread cost with direct debit
Go to First Choice deal >>

View all First Choice offers

First ChoiceHoliday deal finder

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 Tuesday 23rd April 2024

Expect scattered clouds in Ko Samui, Thailand with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-east.

  • 35°C maximum temperature35
    °C maximum temperature
  • 29°C minimum temperature29
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 14 kph from the South-East14
    kph wind from SE

Back to top

Ko Samui weather for Wednesday 24th April 2024

Expect scattered clouds in Ko Samui, Thailand with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.

  • 33°C maximum temperature33
    °C maximum temperature
  • 29°C minimum temperature29
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 14 kph from the South14
    kph wind from S

Back to top

Ko Samui weather for Thursday 25th April 2024

Expect scattered clouds in Ko Samui, Thailand with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 11+ (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-east.

  • 34°C maximum temperature34
    °C maximum temperature
  • 29°C minimum temperature29
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 16 kph from the South-East16
    kph wind from SE

Back to top

Ko Samui weather for Friday 26th April 2024

Expect scattered clouds in Ko Samui, Thailand with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 11+ (Extreme) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south.

  • 34°C maximum temperature34
    °C maximum temperature
  • 30°C minimum temperature30
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 15 kph from the South15
    kph wind from S

Back to top

Ko Samui weather for Saturday 27th April 2024

Expect scattered clouds in Ko Samui, Thailand with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 11+ (Extreme) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south.

  • 34°C maximum temperature34
    °C maximum temperature
  • 30°C minimum temperature30
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 17 kph from the South17
    kph wind from S

Back to top

First Choice: Top deals on 2024/2025 holidays

  • Save on summer & winter sun holidays in 2024/2025
  • Book holidays to popular destinations around the world
  • Pay £0 deposits & spread cost with direct debit
Go to First Choice deal >>

View all First Choice offers

First ChoiceHoliday deal finder

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

Back to top

More about Thailand

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^