Koh Samui weather in October 2024

Expect 30°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Koh Samui in October. Check more long-term weather averages for Koh Samui in October before you book your next holiday to Thailand in 2024/2025.

  • 30°C maximum daytime temperature in October in Koh Samui30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 20 days with some rainfall in October in Koh Samui20
    20 days with some rainfall
  • 23°C minimum night-time temperature in October in Koh Samui23
    23°C min night temperature
  • 12 hours of daylight per day in October in Koh Samui12
    12 hours of daylight per day
  • High heat & humidity in October in Koh SamuiH
    High heat & humidity
  • 275 mm monthly rainfall in October in Koh Samui275
    275 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in October in Koh Samui11
    11+ (Extreme) UV index
  • 29°C sea temperature in October in Koh Samui29
    29°C sea temperature

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The October weather guide for Thailand (Koh 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 Koh Samui in October?

Daytime temperatures usually reach 30°C in Koh Samui in October with high heat and humidity, falling to 23°C at night.

How sunny is it in Koh Samui in October?

There are normally 6 hours of bright sunshine each day in Koh Samui in October - that's 48% of daylight hours.

How warm is the sea around Koh Samui in October?

The average sea temperature around Koh Samui in October is 29°C.

Does it rain in Koh Samui in October?

There are usually 20 days with some rain in Koh Samui in October and the average monthly rainfall is 275mm.

What is the chance of a typhoon in Koh Samui in October?

On average less than 1 day in October in Koh Samui is likely to be affected by the passage of one or more tropical storms.

Koh Samui October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st October 2024 06:08 18:10
Wednesday, 16th October 2024 06:08 18:02
Thursday, 31st October 2024 06:10 17:57

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