Weather in Ko Samui in August 2018

Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Ko Samui in August. Check more long-term weather averages for Ko Samui in August before you book your next holiday to Thailand in 2018.

Key weather averages for Ko Samui in August

  • 31°C maximum daytime temperature in August in Ko Samui31
    31°C max day temperature
  • 6 hours of sunshine per day (47% of daylight hours) in August in Ko Samui6
    6 hours of sunshine per day
  • 17 days with some rainfall in August in Ko Samui17
    17 days with some rainfall
  • 24°C minimum night-time temperature in August in Ko Samui24
    24°C min night temperature
  • 12 hours of daylight per day in August in Ko Samui12
    12 hours of daylight per day
  • Very high heat & humidity in August in Ko SamuiVH
    Very High heat & humidity
  • 137 mm monthly rainfall in August in Ko Samui137
    137 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Ko Samui11
    11+ (Extreme) UV index
  • 29°C sea temperature in August in Ko Samui29
    29°C sea temperature

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

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

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More about Ko Samui

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Guide to Ko Samui weather in August

The average maximum daytime temperature in Ko Samui in August is a hot 31°C (88°F) with very high heat & humidity. The average night-time temperature is usually a warm 24°C (75°F). There are usually 6 hours of bright sunshine each day, which represents 47% of the 12 hours of daylight.

Expect 137mm (5.4 inches) of rainfall across the whole of August 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 sea temperature in and around Ko Samui in August is 29°C (84°F).

The weather in Ko Samui in August is represented by Ko Samui.

Ko Samui sunrise & sunset times for August 2018

Browse the sunrise & sunset times for Ko Samui in August 2018. Select a month to view Ko Samui sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st August 2018 06:10 18:42
Thursday, 2nd August 2018 06:10 18:42
Friday, 3rd August 2018 06:10 18:42
Saturday, 4th August 2018 06:10 18:41
Sunday, 5th August 2018 06:10 18:41
Monday, 6th August 2018 06:11 18:41
Tuesday, 7th August 2018 06:11 18:40
Wednesday, 8th August 2018 06:11 18:40
Thursday, 9th August 2018 06:11 18:40
Friday, 10th August 2018 06:11 18:39
Saturday, 11th August 2018 06:11 18:39
Sunday, 12th August 2018 06:11 18:39
Monday, 13th August 2018 06:11 18:38
Tuesday, 14th August 2018 06:11 18:38
Wednesday, 15th August 2018 06:11 18:37
Thursday, 16th August 2018 06:11 18:37
Friday, 17th August 2018 06:11 18:36
Saturday, 18th August 2018 06:11 18:36
Sunday, 19th August 2018 06:11 18:36
Monday, 20th August 2018 06:11 18:35
Tuesday, 21st August 2018 06:11 18:35
Wednesday, 22nd August 2018 06:11 18:34
Thursday, 23rd August 2018 06:11 18:34
Friday, 24th August 2018 06:11 18:33
Saturday, 25th August 2018 06:11 18:33
Sunday, 26th August 2018 06:11 18:32
Monday, 27th August 2018 06:11 18:31
Tuesday, 28th August 2018 06:11 18:31
Wednesday, 29th August 2018 06:11 18:30
Thursday, 30th August 2018 06:11 18:30
Friday, 31st August 2018 06:11 18:29
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  • Book online with First Choice to receive discount
  • 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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