Weather in Ko Samui, Thailand in August

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Visiting Ko Samui, Thailand in August

The weather in August is slightly warmer than the previous month. August has average maximum temperatures of 32°C (90°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 53.3% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.6 hours of sunshine per day. It is a good time for sunbathing in Ko Samui.

August has total rainfall of 12.8cm (5.0inches) making it a bit rainy but with only moderate tropical showers. There are 18 days with some rainfall so you can still enjoy the beach on the clear days.

Sea temperatures are a very warm 30°C (86°F). August is an excellent month for swimming in Ko Samui with very comfortable temperatures for bathing all day.

Consider visiting Ko Samui in the months of January, February, March, April, for the best beach weather. Also consider one of our other suggestions for August.

Can you sunbathe in Ko Samui in August?

Yes, August is a good time for sunbathing in Ko Samui.

August has average maximum temperatures of 32°C (90°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 53.3% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.6 hours of sunshine per day. August has total rainfall of 12.8cm (5.0inches) making it a bit rainy but with only moderate tropical showers. There are 18 days with some rainfall so you can still enjoy the beach on the clear days.

More about August temperature and sunshine.

Can you swim in Ko Samui in August?

Yes, August is an excellent month for swimming in Ko Samui with very warm sea temperatures 30°C (86°F).

More about August sea temperatures.

Is August a good time to holiday in Ko Samui?

Yes, August is a good time for a holiday in Ko Samui.

August has average maximum temperatures of 32°C (90°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 53.3% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.6 hours of sunshine per day. August has total rainfall of 12.8cm (5.0inches) making it a bit rainy but with only moderate tropical showers. There are 18 days with some rainfall so you can still enjoy the beach on the clear days. It is a good time for sunbathing in Ko Samui. Sea temperatures are a very warm 30°C (86°F). August is an excellent month for swimming in Ko Samui with very comfortable temperatures for bathing all day.

More about the August temperatures and sunshine.

Is Ko Samui warm in August?

Yes, Ko Samui is very hot and perfect for sunbathing on clear days in August.

The average maximum temperature in Ko Samui in August is 32°C (90°F). The average maximum temperature is 32°C (90°) in the previous month and 32°C (89°F) in the next month.

The average temperature in Ko Samui in August is 29°C (85°F). The average temperature is 29°C (84°F) in the previous month and 29°C (84°F) in the next month.

More info about the August temperatures and sunshine.

How sunny is Ko Samui in August?

The average day light hours per day in Ko Samui in August are 12.4. The sunshine percentage is 53.3% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.6 hours of sunshine per day.

More about August sunshine.

Temperature in Ko Samui in August

The weather in August is slightly warmer than the previous month. The average maximum temperature in Ko Samui in August is 32°C (90°F). The average maximum temperature is 32°C (90°F) in the previous month and 32°C (89°F) in the next month.

The average temperature in Ko Samui in August is 29°C (85°F). The average temperature is 29°C (84°F) in the previous month and 29°C (84°F) in the next month.

The average minimum temperature in Ko Samui in August is 27°C (80°F). The minimum temperature is 27°C (80°F) in the previous month and 27°C (80°F) in the next month.

Sunshine in Ko Samui in August

The days in August are marginally shorter than the previous month and days continue to get marginally shorter into September. August has fewer hours of sunshine than the previous month and hours of sunshine continue to drop into September. During August the average day light hours are 12.4 per day in Ko Samui. The sunshine percentage is 53.3% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.6 hours of sunshine per day.

The ultraviolet index in Ko Samui in August is typically 13.9 during August. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Ko Samui in August

The average sea water temperature in Ko Samui in August is 29.9°C (85.8°F) which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in Ko Samui in August

August weather is slightly drier than the previous month. August has fewer days of rain than the previous month. The average total rainfall in Ko Samui in August is 12.8cm (5.0inches) and on average there are 18 rainy days in August making it a wet time to visit the beach.

Humidity in Ko Samui in August

The maximum dew point (an indicator of humidity) in Ko Samui in August is 25°C (77°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning. The dew point is 25°C (77°F) in the previous month and 25°C (25°F) in the next month.

The average maximum relative humidity in Ko Samui in August is typically 85.2%. The maximum relative humidity is 86.5% in the previous month and 86.4% in the next month.

The average relative humidity in Ko Samui in August is typically 71.5%. The average relative humidity is 72.9% in the previous month and 73.3% in the next month.

Wind Speed in Ko Samui in August

The average maximum wind speed in Ko Samui in August is typically 24KM/H (15MPH). The average maximum wind speed is 25KM/H (16MPH) in the previous month and 24KM/H (15MPH) in the next month.

The average wind speed in Ko Samui in August is typically 12KM/H (8MPH). The average wind speed is 11KM/H (7MPH) in the previous month and 12KM/H (8MPH) in the next month.

The average wind direction in Ko Samui in August is from the West-Northwest.

Monthly Averages

Suggested Beaches in August

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.