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Weather in August in Sumatra

Thinking about venturing to Sumatra this August and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in Sumatra in August?

Sumatra is a region in Indonesia. August in Sumatra generally has temperatures that range from warm to very warm, with precipitation levels ranging from moderate to heavy.

Temperatures

The average highest temperatures fluctuate between warm in Tuk Tuk at 27°C to very warm in Jambi at 33°C. Nighttime temperatures generally drop to 24°C in Jambi and 19°C in Tuk Tuk. These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.

Precipitation

In August, precipitation varies across different areas. From moderate rainfall in Kalianda with an average of 72 mm to heavy rainfall in Matur with 359 mm.

Average sunshine

Most areas experience a moderate amount of sunshine, with approximately 145 hours of sunlight expected in Medan. This makes it neither too gloomy nor overly bright.

For specific regional insights in Sumatra for August, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Sumatra climate page.

Where to go in Sumatra in August

Find more information for the most popular destinations in the Sumatra on the map below. Click on a destination dot for more detailes.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in August for the 5 most popular destinations in Sumatra?

Medan

In August Medan generally has very high temperatures with maximum daytime temperatures around 33°C, minimum nighttime temperatures around 23°C and heavy monthly rainfall. So on average the conditions are poor that month.

Medan
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
33°C 
23°C 
155 hours 
206 mm 
9 days 
poor 
33°C 
23°C 
145 hours 
241 mm 
13 days 
poor 
32°C 
23°C 
122 hours 
341 mm 
15 days 
poor 
Climate in Medan

Pekanbaru

In August Pekanbaru generally has very high temperatures with maximum daytime temperatures around 33°C, minimum nighttime temperatures around 24°C and heavy monthly rainfall. So on average the conditions are tolerable that month.

Pekanbaru
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
33°C 
24°C 
134 mm 
13 days 
33°C 
24°C 
170 mm 
15 days 
33°C 
24°C 
213 mm 
16 days 
poor 
Climate in Pekanbaru

Tanjungpandan

In August Tanjungpandan generally has very high temperatures with maximum daytime temperatures around 32°C, minimum nighttime temperatures around 25°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Tanjungpandan
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
31°C 
25°C 
129 mm 
11 days 
32°C 
25°C 
93 mm 
10 days 
32°C 
25°C 
106 mm 
10 days 
Climate in Tanjungpandan

Bukittinggi

In August Bukittinggi generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 19°C and heavy monthly rainfall. So on average the conditions are poor that month.

Bukittinggi
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
28°C 
19°C 
241 mm 
14 days 
28°C 
19°C 
324 mm 
16 days 
poor 
28°C 
19°C 
365 mm 
18 days 
poor 
Climate in Bukittinggi

Matur

In August Matur generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 20°C and heavy monthly rainfall. So on average the conditions are poor that month.

Matur
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
29°C 
20°C 
261 mm 
14 days 
poor 
28°C 
20°C 
359 mm 
16 days 
poor 
28°C 
20°C 
403 mm 
18 days 
poor 
Climate in Matur

Is your destination not in the list? Have a look at other destinations in Sumatra, in Indonesia.

Is August the best time to visit Sumatra?

In our opinion, August may not be the ideal time to visit Sumatra due to the typically poor weather in Medan.

Generally speaking, February provides tolerable weather in Medan. The weather in January, April, May, June, July, August, September, October, November and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Sumatra. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Indonesia? Get detailed historical weather averages for many cities in Indonesia.

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