Koh Chang weather in May 2025

Expect daytime maximum temperatures of 31°C in Koh Chang in May and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 20 days with some rainfall and typically 351 mm of rainfall in the month.

  • 31°C maximum daytime temperature in May in Koh Chang31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 20 days with some rainfall in May in Koh Chang20
    20 days with some rainfall
  • 24°C minimum night-time temperature in May in Koh Chang24
    24°C min night temperature
  • 13 hours of daylight per day in May in Koh Chang13
    13 hours of daylight per day
  • Very high heat & humidity in May in Koh ChangVH
    Very High heat & humidity
  • 351 mm monthly rainfall in May in Koh Chang351
    351 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Koh Chang11
    11+ (Extreme) UV index
  • 30°C sea temperature in May in Koh Chang30
    30°C sea temperature

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The May weather guide for Thailand (Koh Chang) 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 Chang in May?

Daytime temperatures usually reach 31°C in Koh Chang in May with very high heat and humidity, falling to 24°C at night.

How sunny is it in Koh Chang in May?

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

How warm is the sea around Koh Chang in May?

The average sea temperature around Koh Chang in May is 30°C.

Does it rain in Koh Chang in May?

There are usually 20 days with some rain in Koh Chang in May and the average monthly rainfall is 351mm.

Koh Chang May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:51 18:25
Friday, 16th May 2025 05:47 18:28
Saturday, 31st May 2025 05:45 18:32

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