North Sumatra Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in North Sumatra, Indonesia in August.

Are you planning a trip a to North Sumatra, Indonesia in August and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in North Sumatra in August

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

Temperatures

The average highest temperatures fluctuate between warm in Tuk Tuk at 27°C (81°F) to very warm in Medan at 33°C (91°F). Nighttime temperatures generally drop to 23°C (73°F) in Medan and 19°C (66°F) in Tuk Tuk. The temperatures mentioned for both day and night are typical averages. However some days might get even hotter. It's best to stay prepared by wearing cloths suitable for the warmth.

For specific regional insights in North Sumatra, Indonesia, refer to the map provided below.

Precipitation

In August, precipitation varies across different areas. From heavy rainfall in Timbanglawang with an average of 189 mm (7.4 in) to heavy rainfall in Pematangsiantar with 265 mm (10 in).

Average sunshine

Sunshine is fairly consistent across many areas. Medan receives about 145 hours of sunlight in August, providing a good balance between sunny spells and cloud cover. If you're after more sunshine hours, take a look at our weather planner for other sun-rich destinations worldwide.

Explore North Sumatra by month

Pick a month to see the average temperature, rainfall and sunshine in North Sumatra — and find the best time to visit. (based on Medan)

Best Places to Visit in North Sumatra in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across North Sumatra.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in North Sumatra

What is the weather like in August for some of the most popular destinations in North Sumatra, Indonesia?

Temperature range in North Sumatra (August)

Precipitation variation in North Sumatra (August)

Medan

In August Medan generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are poor that month.

July
August
September
Max temperature
33°C (91°F)
33°C (91°F)
32°C (90°F)
Min temperature
23°C (73°F)
23°C (73°F)
23°C (73°F)
Monthly sun hours
155 hours
145 hours
122 hours
Monthly rainfall
206 mm (8.1 in)
241 mm (9.5 in)
341 mm (13 in)
Monthly rainy days
9 days
13 days
15 days
Weather conditions

Rantauprapat

In August Rantauprapat generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are poor that month.

July
August
September
Max temperature
33°C (91°F)
33°C (91°F)
32°C (90°F)
Min temperature
23°C (73°F)
23°C (73°F)
23°C (73°F)
Monthly rainfall
165 mm (6.5 in)
205 mm (8.1 in)
280 mm (11 in)
Monthly rainy days
12 days
14 days
16 days
Weather conditions

Tuk Tuk

In August Tuk Tuk generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 19°C (66°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
28°C (82°F)
27°C (81°F)
27°C (81°F)
Min temperature
19°C (66°F)
19°C (66°F)
19°C (66°F)
Monthly rainfall
142 mm (5.6 in)
193 mm (7.6 in)
237 mm (9.3 in)
Monthly rainy days
12 days
15 days
17 days
Weather conditions

Berastagi

In August Berastagi generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 18°C (64°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
28°C (82°F)
28°C (82°F)
27°C (81°F)
Min temperature
18°C (64°F)
18°C (64°F)
18°C (64°F)
Monthly sun hours
155 hours
145 hours
122 hours
Monthly rainfall
185 mm (7.3 in)
232 mm (9.1 in)
299 mm (12 in)
Monthly rainy days
12 days
15 days
17 days
Weather conditions

Parapat

In August Parapat generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 20°C (68°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
28°C (82°F)
28°C (82°F)
27°C (81°F)
Min temperature
20°C (68°F)
20°C (68°F)
20°C (68°F)
Monthly rainfall
163 mm (6.4 in)
213 mm (8.4 in)
268 mm (11 in)
Monthly rainy days
12 days
16 days
17 days
Weather conditions

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

Popular cities in August

Day & night temperatures, rainfall and average weather in North Sumatra in August.

City Weather Day temp Night temp Rainfall
Medan 33°C (91°F) 23°C (73°F) 241 mm (9.5 in)
Rantauprapat 33°C (91°F) 23°C (73°F) 205 mm (8.1 in)
Tuk Tuk 27°C (81°F) 19°C (66°F) 193 mm (7.6 in)
Berastagi 28°C (82°F) 18°C (64°F) 232 mm (9.1 in)
Parapat 28°C (82°F) 20°C (68°F) 213 mm (8.4 in)
Pematangsiantar 30°C (86°F) 22°C (72°F) 265 mm (10 in)

North Sumatra weather in August: frequently asked questions

What is the weather like in North Sumatra, Indonesia in August?

Expect poor weather across North Sumatra, Indonesia in August. The popular destination of Medan averages 33°C (91°F) by day and 23°C (73°F) at night during this month.

What is the average temperature in North Sumatra, Indonesia in August?

In Medan, the average daytime high in August is 33°C (91°F), while nighttime temperatures drop to around 23°C (73°F).

Does North Sumatra, Indonesia get a lot of rain in August?

Yes. August brings heavy rainfall to North Sumatra, Indonesia, with Medan averaging around 241 mm (9.5 in). Expect frequent showers and pack accordingly.

Is August a Good Time to Visit North Sumatra, Indonesia?

In our view, August might not be the best time to travel to North Sumatra, Indonesia with often poor weather in Medan.

Generally speaking, February provides unpleasant weather in Medan.

Interested in more climate information?

We have much more information about the climate in North Sumatra.

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.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.