Koh Samui weather in February 2025

Expect 29°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Koh Samui in February. Check more long-term weather averages for Koh Samui in February before you book your next holiday to Thailand in 2025/2026.

  • 29°C maximum daytime temperature in February in Koh Samui29
    29°C max day temperature
  • 9 hours of sunshine per day
  • 5 days with some rainfall in February in Koh Samui5
    5 days with some rainfall
  • 23°C minimum night-time temperature in February in Koh Samui23
    23°C min night temperature
  • 12 hours of daylight per day in February in Koh Samui12
    12 hours of daylight per day
  • High heat & humidity in February in Koh SamuiH
    High heat & humidity
  • 39 mm monthly rainfall in February in Koh Samui39
    39 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in February in Koh Samui11
    11+ (Extreme) UV index
  • 28°C sea temperature in February in Koh Samui28
    28°C sea temperature

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The February 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 February?

Daytime temperatures usually reach 29°C in Koh Samui in February with high heat and humidity, falling to 23°C at night.

How sunny is it in Koh Samui in February?

There are normally 9 hours of bright sunshine each day in Koh Samui in February - that's 72% of daylight hours.

How warm is the sea around Koh Samui in February?

The average sea temperature around Koh Samui in February is 28°C.

Does it rain in Koh Samui in February?

There are usually 5 days with some rain in Koh Samui in February and the average monthly rainfall is 39mm.

Koh Samui February sunrise & sunset times

Browse the sunrise and sunset times for Koh Samui in February 2025. Select a month to view Koh Samui sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st February 2025 06:42 18:25
Friday, 14th February 2025 06:39 18:29
Friday, 28th February 2025 06:34 18:30

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