Sumatra Weather in October

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

Planning a trip to Sumatra, Indonesia this October? Here's what you need to know about the weather:

What to Expect in Sumatra in October

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

Temperatures

The average maximum daytime temperatures vary from warm in Tuk Tuk at 27°C (81°F) to very warm in Jambi at 33°C (91°F). Nighttime temperatures generally drop to 24°C (75°F) in Jambi and 19°C (66°F) in Tuk Tuk. The temperatures cited for both day and night represent usual averages, but it's possible some days could be hotter. It's advisable to dress accordingly to handle the heat.

For a closer look at conditions across Sumatra, Indonesia, refer to the map below.

Precipitation

In October, precipitation varies across different areas. From high rainfall in Kalianda with an average of 138 mm (5.4 in) to heavy rainfall in Matur with 450 mm (18 in).

Average sunshine

Sunshine is moderately available across various locations. In Medan, you can expect around 115 hours of sunlight in October, which gives a pleasant combination of sun and shade. For those who want maximum sunshine, our weather planner can point you toward the sunniest places on Earth.

Explore Sumatra by month

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

Best Places to Visit in Sumatra in October

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

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

Temperature range in Sumatra (October)

Precipitation variation in Sumatra (October)

Medan

In October Medan generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

September
October
November
Max temperature
32°C (90°F)
32°C (90°F)
31°C (88°F)
Min temperature
23°C (73°F)
23°C (73°F)
23°C (73°F)
Monthly sun hours
122 hours
115 hours
106 hours
Monthly rainfall
341 mm (13 in)
371 mm (15 in)
377 mm (15 in)
Monthly rainy days
15 days
18 days
17 days
Weather conditions

Pekanbaru

In October Pekanbaru generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

September
October
November
Max temperature
33°C (91°F)
33°C (91°F)
32°C (90°F)
Min temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Monthly rainfall
213 mm (8.4 in)
257 mm (10 in)
313 mm (12 in)
Monthly rainy days
16 days
19 days
22 days
Weather conditions

Tanjungpandan

In October Tanjungpandan generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

September
October
November
Max temperature
32°C (90°F)
31°C (88°F)
30°C (86°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly rainfall
106 mm (4.2 in)
222 mm (8.7 in)
335 mm (13 in)
Monthly rainy days
10 days
17 days
21 days
Weather conditions

Bukittinggi

In October Bukittinggi generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 19°C (66°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

September
October
November
Max temperature
28°C (82°F)
28°C (82°F)
28°C (82°F)
Min temperature
19°C (66°F)
19°C (66°F)
20°C (68°F)
Monthly rainfall
365 mm (14 in)
405 mm (16 in)
478 mm (19 in)
Monthly rainy days
18 days
21 days
23 days
Weather conditions

Matur

In October Matur 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 less favorable that month.

September
October
November
Max temperature
28°C (82°F)
28°C (82°F)
28°C (82°F)
Min temperature
20°C (68°F)
20°C (68°F)
20°C (68°F)
Monthly rainfall
403 mm (16 in)
450 mm (18 in)
518 mm (20 in)
Monthly rainy days
18 days
21 days
22 days
Weather conditions

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

Popular cities in October

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

City Weather Day temp Night temp Rainfall
Medan 32°C (90°F) 23°C (73°F) 371 mm (15 in)
Pekanbaru 33°C (91°F) 24°C (75°F) 257 mm (10 in)
Tanjungpandan 31°C (88°F) 25°C (77°F) 222 mm (8.7 in)
Bukittinggi 28°C (82°F) 19°C (66°F) 405 mm (16 in)
Matur 28°C (82°F) 20°C (68°F) 450 mm (18 in)
Dumai 33°C (91°F) 24°C (75°F) 311 mm (12 in)

Sumatra weather in October: frequently asked questions

What is the weather like in Sumatra, Indonesia in October?

Expect less favorable weather across Sumatra, Indonesia in October. The popular destination of Medan averages 32°C (90°F) by day and 23°C (73°F) at night during this month.

What is the average temperature in Sumatra, Indonesia in October?

Daytime temperatures in Medan peak at roughly 32°C (90°F) in October, dropping to about 23°C (73°F) overnight.

Does Sumatra, Indonesia get a lot of rain in October?

Expect plenty of rainfall. Medan records an average of 371 mm (15 in) in October, putting it among the wetter months for Sumatra, Indonesia.

Is October a Good Time to Visit Sumatra, Indonesia?

Given the typically less favorable weather conditions in Medan, October may not be the ideal time to visit Sumatra, Indonesia.

Generally speaking, February provides mixed weather in Medan.

Interested in more climate information?

We have much more information about the climate in 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.

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