Weather in Sumatra, Indonesia in August

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Visiting Sumatra, Indonesia in August

August is one of the best months to visit Sumatra for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.

August has average maximum temperatures of 32°C (89°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 79% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.5hrs making the days long and bright. August has total rainfall of 10.1cm (4.0inches) making it often dry with only moderate showers. There are only 11 days with some rainfall so you can still enjoy the beach on the many clear days. Sea temperatures are a very warm 28°C (83°F). August is an excellent month for swimming in Sumatra with very comfortable temperatures for bathing all day.

Also consider visiting Sumatra in one of the other best months of June, July, September, for the best beach weather.

Also consider one of our other suggestions for August.

Can you sunbathe in Sumatra in August?

Yes, August is a good time for sunbathing in Sumatra.

August has average maximum temperatures of 32°C (89°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 79% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.5hrs making the days long and bright. August has total rainfall of 10.1cm (4.0inches) making it often dry with only moderate showers. There are only 11 days with some rainfall so you can still enjoy the beach on the many clear days.

More about August temperature and sunshine.

Can you swim in Sumatra in August?

Yes, August is an excellent month for swimming in Sumatra with very warm sea temperatures 28°C (83°F).

More about August sea temperatures.

Is August a good time to holiday in Sumatra?

Yes, August is a good time for a holiday in Sumatra.

August has average maximum temperatures of 32°C (89°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 79% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.5hrs making the days long and bright. August has total rainfall of 10.1cm (4.0inches) making it often dry with only moderate showers. There are only 11 days with some rainfall so you can still enjoy the beach on the many clear days. Sea temperatures are a very warm 28°C (83°F). August is an excellent month for swimming in Sumatra with very comfortable temperatures for bathing all day.

More about the August temperatures and sunshine.

Is Sumatra warm in August?

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

The average maximum temperature in Sumatra in August is 32°C (89°F). The average maximum temperature is 31°C (88°) in the previous month and 33°C (91°F) in the next month.

The average temperature in Sumatra in August is 27°C (81°F). The average temperature is 27°C (81°F) in the previous month and 28°C (82°F) in the next month.

More info about the August temperatures and sunshine.

How sunny is Sumatra in August?

The average day light hours per day in Sumatra in August are 12. The sunshine percentage is 79% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.5hrs making the days long and bright.

More about August sunshine.

Temperature in Sumatra in August

The average maximum temperature in Sumatra in August is 32°C (89°F). The average maximum temperature is 31°C (88°F) in the previous month and 33°C (91°F) in the next month.

The average temperature in Sumatra in August is 27°C (81°F). The average temperature is 27°C (81°F) in the previous month and 28°C (82°F) in the next month.

The average minimum temperature in Sumatra in August is 23°C (73°F). The minimum temperature is 23°C (73°F) in the previous month and 22°C (72°F) in the next month.

Sunshine in Sumatra in August

During August the average day light hours are 12 per day in Sumatra. The sunshine percentage is 79% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.5hrs making the days long and bright.

The ultraviolet index in Sumatra in August is typically 13.2 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 Sumatra in August

The average sea water temperature in Sumatra in August is 28.4°C (83.1°F) which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in Sumatra in August

The average total rainfall in Sumatra in August is 10.1cm (4.0inches) and on average there are 11 rainy days in August making it a pretty wet time to visit the beach.

Humidity in Sumatra in August

The maximum dew point (an indicator of humidity) in Sumatra in August is 24°C (74°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan. The dew point is 24°C (76°F) in the previous month and 23°C (23°F) in the next month.

The average maximum relative humidity in Sumatra in August is typically 92.7%. The maximum relative humidity is 94.6% in the previous month and 91.6% in the next month.

The average relative humidity in Sumatra in August is typically 75.1%. The average relative humidity is 80.8% in the previous month and 72% in the next month.

Wind Speed in Sumatra in August

The average maximum wind speed in Sumatra in August is typically 25KM/H (16MPH). The average maximum wind speed is 26KM/H (16MPH) in the previous month and 27KM/H (17MPH) in the next month.

The average wind speed in Sumatra in August is typically 9KM/H (5MPH). The average wind speed is 7KM/H (4MPH) in the previous month and 8KM/H (5MPH) in the next month.

The average wind direction in Sumatra in August is from the North.

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.