Ko Samui weather in March 2020

  • 30°C maximum daytime temperature in March in Ko Samui30
    30°C max day temperature
  • 8 hours of sunshine per day
  • 5 days with some rainfall in March in Ko Samui5
    5 days with some rainfall
  • 24°C minimum night-time temperature in March in Ko Samui24
    24°C min night temperature
  • 12 hours of daylight per day in March in Ko Samui12
    12 hours of daylight per day
  • Very high heat & humidity in March in Ko SamuiVH
    Very High heat & humidity
  • 54 mm monthly rainfall in March in Ko Samui54
    54 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in March in Ko Samui11
    11+ (Extreme) UV index
  • 29°C sea temperature in March in Ko Samui29
    29°C sea temperature
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The March 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 March

The average maximum daytime temperature in Ko Samui in March is a hot 30°C (86°F) with very high heat & humidity. The average night-time temperature is usually a warm 24°C (75°F). There are usually 8 hours of bright sunshine each day, which represents 70% of the 12 hours of daylight.

Expect 54mm (2.1 inches) of rainfall across the whole of March with 5 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 March is 29°C (84°F).

Ko Samui sunrise & sunset times for March 2020

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st March 2020 06:34 18:30
Monday, 16th March 2020 06:26 18:31
Tuesday, 31st March 2020 06:18 18:30
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Where's hot in Thailand in March?

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

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