When is the best time to go to Sumatra?

When is the best time to go to Sumatra? Here's some information to help you in your decision:

  • In July, the weather is good across more than 26% of the territory of Sumatra
  • The best months to go to Medan are February and March
  • On average, it is hot all year round in Medan
  • The rainiest months in this city are September, October and November
  • Tanjungpinang is the city with the best climate, with good weather 8 months a year
  • The sea temperature is suitable for swimming all year round in Banda Aceh

For information about the climate and the weather city by city on the island of Sumatra for a specific month, click on the corresponding line below:

January 72°F to 85°F
67%
February 74°F to 85°F
62%
March 74°F to 86°F
68%
April 74°F to 86°F
75%
May 74°F to 88°F
69%
June 74°F to 86°F
55%
July 74°F to 86°F
53%
August 74°F to 86°F
58%
September 74°F to 88°F
63%
October 74°F to 88°F
67%
November 72°F to 86°F
78%
December 72°F to 85°F
73%
* weather varies across the country

Best time to travel to Sumatra by cities

Medan

Best time to go to Medan

The best months to go to Medan are february and march.

Banda Aceh

Best time to go to Banda Aceh

The best months to go to Banda Aceh are february, june, july, august and september.

Bukittinggi

Best time to go to Bukittinggi

The best months to go to Bukittinggi are january, february, march, april, may, june, july, august, september, october, november and december.

See full list of cities


Temperatures and rainfall on the island of Sumatra

On these 3 graphs, we present the evolution of temperatures of Sumatra and month-by-month rainfall for the cities of Medan, Banda Aceh, Bukittinggi, Gunungsitoli (Pulau Nias) and Jambi City, as well as the month-by-month sea temperature for coastal cities.


Where to go on the island of Sumatra?

This table allows you to see the maximum temperature for each city and our opinion on the weather month by month (see colour legend below the table).

Cities jan.feb.mar.apr.mayjun.jul.aug.sep.oct.nov.dec.
Medan88°F90°F92°F92°F94°F94°F94°F94°F92°F90°F90°F88°F
Banda Aceh85°F86°F88°F88°F88°F90°F90°F90°F88°F88°F86°F85°F
Bukittinggi81°F81°F83°F83°F83°F83°F83°F85°F83°F83°F81°F81°F
Gunungsitoli (Pulau Nias)85°F85°F86°F85°F86°F86°F85°F85°F85°F85°F85°F85°F
Jambi City88°F88°F90°F90°F92°F92°F90°F92°F94°F92°F90°F88°F
Palembang88°F88°F90°F92°F92°F92°F90°F94°F94°F94°F92°F88°F
Pematangsiantar83°F85°F86°F85°F86°F88°F86°F86°F86°F85°F83°F83°F
Bandar Lampung88°F88°F88°F88°F88°F88°F88°F88°F90°F90°F88°F88°F
Bengkulu86°F86°F86°F86°F88°F86°F86°F86°F86°F86°F85°F85°F
Dumai88°F90°F90°F92°F92°F92°F92°F92°F92°F90°F88°F88°F
Padang City81°F83°F83°F83°F83°F83°F83°F83°F81°F81°F81°F81°F
Batam86°F86°F88°F90°F90°F88°F88°F88°F88°F88°F88°F86°F
Berastagi76°F77°F79°F77°F79°F81°F81°F79°F79°F77°F76°F76°F
Bukit Lawang88°F90°F92°F92°F94°F94°F94°F94°F92°F92°F90°F88°F
Gunung Leuser National Park88°F90°F92°F92°F92°F92°F92°F92°F90°F90°F88°F88°F
Lac Maninjau81°F81°F83°F83°F83°F83°F83°F85°F83°F83°F81°F81°F
lake Toba76°F77°F79°F77°F79°F81°F81°F79°F79°F77°F76°F76°F
Parapat83°F85°F86°F85°F86°F88°F86°F86°F86°F85°F83°F83°F
Payakumbuh81°F83°F83°F85°F85°F85°F85°F86°F85°F85°F83°F81°F
Samosir83°F85°F86°F85°F86°F88°F86°F86°F86°F85°F83°F83°F

Legend:

perfect weather

good weather

tolerable weather

bad weather



Map of Sumatra

Click over cities for information about the weather.

Chargement en cours
Legend: cities on the island of Sumatra

About Sumatra

What can I do on the island of Sumatra?

Beaches / swimming

Nature and countryside

Culture and heritage

Sports

Family travel

Crafts / shopping

Gastronomy

Nightlife


Is this weather information for Sumatra reliable?

Climate data for Sumatra has been gathered every day since January 2009. The analysis of these meteorological data for Sumatra allows us to determine the average for each month in Medan, Banda Aceh, Bukittinggi, Gunungsitoli (Pulau Nias), Jambi City, Palembang, Pematangsiantar, Bandar Lampung, and 25 other cities.

So yes: this data is reliable except in cases of temporary climate disruption in the region.

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