Ko Samui weather in April 2024

Expect 32°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Ko Samui in April. Check more long-term weather averages for Ko Samui in April before you book your next holiday to Thailand in 2024/2025.

  • 32°C maximum daytime temperature in April in Ko Samui32
    32°C max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in April in Ko Samui8
    8 days with some rainfall
  • 25°C minimum night-time temperature in April in Ko Samui25
    25°C min night temperature
  • 12 hours of daylight per day in April in Ko Samui12
    12 hours of daylight per day
  • Very high heat & humidity in April in Ko SamuiVH
    Very High heat & humidity
  • 85 mm monthly rainfall in April in Ko Samui85
    85 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in April in Ko Samui11
    11+ (Extreme) UV index
  • 30°C sea temperature in April in Ko Samui30
    30°C sea temperature

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The April weather guide for Thailand (Ko Samui) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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

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How hot is it in Ko Samui in April?

Daytime temperatures usually reach 32°C in Ko Samui in April with very high heat and humidity, falling to 25°C at night.

How sunny is it in Ko Samui in April?

There are normally 8 hours of bright sunshine each day in Ko Samui in April - that's 64% of daylight hours.

How warm is the sea around Ko Samui in April?

The average sea temperature around Ko Samui in April is 30°C.

Does it rain in Ko Samui in April?

There are usually 8 days with some rain in Ko Samui in April and the average monthly rainfall is 85mm.

Ko Samui April sunrise & sunset times

Browse the sunrise and sunset times for Ko Samui in April 2024. Select a month to view Ko Samui sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st April 2024 06:17 18:30
Monday, 15th April 2024 06:10 18:30
Tuesday, 30th April 2024 06:03 18:31

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