Weather in Ko Samui in May 2017

Check the weather in Ko Samui in May based on long-term weather averages before you book your next holiday to Thailand in 2017. Expect daytime temperatures to reach 32°C with on average 6 hours of sunshine per day in Ko Samui in May.

What is the weather like in Ko Samui in May?
How hot is Ko Samui in May? 32°C
How sunny is Ko Samui in May? 6 sunshine hours/day
How wet is Ko Samui in May? 172 mm rainfall
How warm is the sea around Ko Samui in May? 30°C

Weather in Ko Samui in May

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

  • 32°C maximum daytime temperature in May in Ko Samui32
    32°C max day temperature
  • 6 hours of sunshine per day (51% of daylight hours) in May in Ko Samui6
    6 hours of sunshine per day
  • 17 days with some rainfall in May in Ko Samui17
    17 days with some rainfall
  • 25°C minimum night-time temperature in May in Ko Samui25
    25°C min night temperature
  • 13 hours of daylight per day in May in Ko Samui13
    13 hours of daylight per day
  • Very high heat & humidity in May in Ko SamuiVH
    Very High heat & humidity
  • 172 mm monthly rainfall in May in Ko Samui172
    172 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Ko Samui11
    11+ (Extreme) UV index
  • 30°C sea temperature in May in Ko Samui30
    30°C sea temperature

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Ko Samui

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

More about Ko Samui weather in May

The average maximum daytime temperature in Ko Samui in May is a hot 32°C (90°F) with very high heat & humidity. There are usually 6 hours of bright sunshine each day, which represents 51% of the 13 hours of daylight. The average sea temperature in and around Ko Samui in May is 30°C (86°F).

Expect 172mm (6.8 inches) of rainfall across the whole of May with 17 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear. The average night-time temperature is usually a warm 25°C (77°F). The weather in Ko Samui in May is represented by Ko Samui.

Ko Samui sunrise & sunset times for May 2017

Browse the sunrise & sunset times for Ko Samui in May 2017. Select a month to view Ko Samui sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st May 2017 06:03 18:31
Tuesday, 2nd May 2017 06:03 18:31
Wednesday, 3rd May 2017 06:02 18:31
Thursday, 4th May 2017 06:02 18:31
Friday, 5th May 2017 06:02 18:31
Saturday, 6th May 2017 06:01 18:31
Sunday, 7th May 2017 06:01 18:32
Monday, 8th May 2017 06:01 18:32
Tuesday, 9th May 2017 06:01 18:32
Wednesday, 10th May 2017 06:00 18:32
Thursday, 11th May 2017 06:00 18:32
Friday, 12th May 2017 06:00 18:32
Saturday, 13th May 2017 06:00 18:33
Sunday, 14th May 2017 06:00 18:33
Monday, 15th May 2017 05:59 18:33
Tuesday, 16th May 2017 05:59 18:33
Wednesday, 17th May 2017 05:59 18:33
Thursday, 18th May 2017 05:59 18:34
Friday, 19th May 2017 05:59 18:34
Saturday, 20th May 2017 05:59 18:34
Sunday, 21st May 2017 05:59 18:34
Monday, 22nd May 2017 05:58 18:34
Tuesday, 23rd May 2017 05:58 18:35
Wednesday, 24th May 2017 05:58 18:35
Thursday, 25th May 2017 05:58 18:35
Friday, 26th May 2017 05:58 18:35
Saturday, 27th May 2017 05:58 18:36
Sunday, 28th May 2017 05:58 18:36
Monday, 29th May 2017 05:58 18:36
Tuesday, 30th May 2017 05:58 18:36
Wednesday, 31st May 2017 05:58 18:37
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  • FREE kids places & low deposits also available

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Ko Samui weather by month

Check Ko Samui weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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