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Ko Samui weather in May 2021
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- 3232°C max day temperature
- 1717 days with some rainfall
- 2525°C min night temperature
- 1313 hours of daylight per day
- VHVery High heat & humidity
- 172172 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 3030°C sea temperature
The May 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.
How hot is it in Ko Samui in May?
Daytime temperatures usually reach 32°C in Ko Samui in May with very high heat and humidity, falling to 25°C at night.
How sunny is it in Ko Samui in May?
There are normally 6 hours of bright sunshine each day in Ko Samui in May - that's 51% of daylight hours.
How warm is the sea around Ko Samui in May?
The average sea temperature around Ko Samui in May is 30°C.
Does it rain in Ko Samui in May?
There are usually 17 days with some rain in Ko Samui in May and the average monthly rainfall is 172mm.
Ko Samui sunrise & sunset times for May 2021
Browse the sunrise & sunset times for Ko Samui in May 2021. Select a month to view Ko Samui sunrise & sunset times for the next twelve months.
|Date||Sunrise times||Sunset times|
|Saturday, 1st May 2021||06:03||18:31|
|Sunday, 16th May 2021||05:59||18:33|
|Monday, 31st May 2021||05:58||18:37|
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Metric (°C / mm) | Imperial (°F / inches)
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Where is hot in Thailand in May for 2021/2022?
Below are average maximum temperatures at popular destinations in Thailand in May. Select a destination to see more weather parameters.
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