Ko Samui weather in April 2020

  • 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 Ko Samui, Thailand 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.

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

Guide to Ko Samui weather in April

The average maximum daytime temperature in Ko Samui in April is a hot 32°C (90°F) with very high heat & humidity. The average night-time temperature is usually a warm 25°C (77°F). There are usually 8 hours of bright sunshine each day, which represents 64% of the 12 hours of daylight.

Expect 85mm (3.3 inches) of rainfall across the whole of April with 8 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.

The average sea temperature in and around Ko Samui in April is 30°C (86°F).

Ko Samui sunrise & sunset times for April 2020

Browse the sunrise & sunset times for Ko Samui in April 2020. Select a month to view Ko Samui sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st April 2020 06:17 18:30
Wednesday, 15th April 2020 06:10 18:30
Thursday, 30th April 2020 06:03 18:31
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Where's hot in Thailand in April?

Below are average maximum temperatures at popular destinations in Thailand in April. Select a destination to see more weather parameters.

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