Best time to go to Sumatra for a perfect weather and where to go?

Find the very best time to visit Sumatra from average weather conditions in many locations like Bukit Lawang or Tanjungpinang, below.

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 June, the weather is good across more than 32% 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 and October
The cities with the best climate are Banda Aceh and Sigli, with good weather at least 9 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:

Month			Our opinion	View Details
January*	72°F to 86°F	77%	tolerable to good*	Sumatra in january
February*	74°F to 86°F	71%	tolerable to good*	Sumatra in february
March*	76°F to 88°F	75%	tolerable to good*	Sumatra in march
April	76°F to 90°F	84%	tolerable	Sumatra in april
May	76°F to 90°F	78%	tolerable	Sumatra in may
June*	76°F to 90°F	62%	tolerable to good*	Sumatra in june
July*	76°F to 88°F	62%	tolerable to good*	Sumatra in july
August*	76°F to 88°F	68%	tolerable to good*	Sumatra in august
September*	76°F to 88°F	71%	tolerable to good*	Sumatra in september
October*	74°F to 88°F	77%	tolerable to good*	Sumatra in october
November	74°F to 88°F	86%	tolerable	Sumatra in november
December	74°F to 86°F	83%	tolerable	Sumatra in december

* weather varies across the country ; please check out the Where to go section below.

Best time to travel to Sumatra by cities

Best time to go to Medan

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

Best time to go to Banda Aceh

The best months to go to Banda Aceh are january, february, march, may, june, july, august, september, october and december.

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.

Best time to go to Gunungsitoli (Pulau Nias)

The best time to go to Gunungsitoli (Pulau Nias) is june.

Best time to go to Jambi City

The best months to go to Jambi City are july, august and september.

Best time to go to Palembang

The best months to go to Palembang are june, july, august and september.

Best time to go to Pematangsiantar

Best time to go to Bandar Lampung

Best time to go to Bengkulu

Best time to go to Dumai

Best time to go to Padang City

Best time to go to Batam

Best time to go to Berastagi

Best time to go to Bukit Lawang

See full list of cities

Tours and organised trips on the island of Sumatra

Climate and Weather on the island of Sumatra

This content will be available soon.

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.	may	jun.	jul.	aug.	sep.	oct.	nov.	dec.
Medan	90°F	92°F	94°F	94°F	95°F	95°F	94°F	94°F	94°F	92°F	92°F	90°F
Banda Aceh	86°F	88°F	90°F	90°F	92°F	92°F	92°F	90°F	90°F	88°F	88°F	86°F
Bukittinggi	81°F	83°F	83°F	83°F	85°F	85°F	85°F	85°F	85°F	85°F	81°F	81°F
Gunungsitoli (Pulau Nias)	88°F	88°F	90°F	90°F	90°F	90°F	90°F	88°F	88°F	88°F	88°F	88°F
Jambi City	88°F	90°F	90°F	92°F	92°F	92°F	92°F	92°F	94°F	92°F	90°F	90°F
Palembang	90°F	90°F	92°F	92°F	92°F	92°F	92°F	94°F	95°F	95°F	92°F	90°F
Pematangsiantar	85°F	85°F	86°F	86°F	88°F	88°F	88°F	88°F	86°F	86°F	85°F	85°F
Bandar Lampung	88°F	88°F	90°F	90°F	90°F	88°F	88°F	88°F	90°F	90°F	90°F	88°F
Bengkulu	88°F	90°F	90°F	90°F	90°F	90°F	90°F	88°F	88°F	88°F	88°F	88°F
Dumai	90°F	90°F	92°F	92°F	94°F	94°F	94°F	92°F	92°F	92°F	90°F	88°F
Padang City	86°F	86°F	86°F	86°F	88°F	86°F	86°F	86°F	86°F	85°F	85°F	85°F
Batam	88°F	88°F	90°F	92°F	92°F	92°F	90°F	90°F	90°F	92°F	90°F	90°F
Berastagi	76°F	77°F	79°F	79°F	81°F	81°F	81°F	79°F	79°F	77°F	77°F	76°F
Bukit Lawang	90°F	92°F	94°F	94°F	95°F	95°F	95°F	95°F	94°F	94°F	92°F	90°F
Gunung Leuser National Park	88°F	90°F	94°F	94°F	94°F	94°F	92°F	92°F	92°F	90°F	90°F	88°F
Lac Maninjau	81°F	83°F	83°F	83°F	85°F	85°F	85°F	85°F	85°F	85°F	81°F	81°F
lake Toba	76°F	77°F	79°F	79°F	81°F	81°F	81°F	79°F	79°F	77°F	77°F	76°F
Parapat	85°F	85°F	86°F	86°F	88°F	88°F	88°F	88°F	86°F	86°F	85°F	85°F
Payakumbuh	83°F	83°F	85°F	85°F	85°F	85°F	85°F	86°F	86°F	85°F	83°F	83°F
Samosir	85°F	85°F	86°F	86°F	88°F	88°F	88°F	88°F	86°F	86°F	85°F	85°F

Legend:

good weather

tolerable weather

very bad weather

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Map of Sumatra

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cities on the island of Sumatra

About Sumatra

What can I do on the island of Sumatra?

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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.