Climate and Weather of North Sumatra, Indonesia

In Indonesia you have several regions, one of which is called North Sumatra. The most popular city in this region is Medan, whose climate data we'll examine to provide you with an overview of what weather to expect in North Sumatra. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

North Sumatra, and particularly Medan, experiences consistently warm weather throughout the year, with average highs always exceeding 31°C.

Note that the warmest month in North Sumatra is normally May, with the temperature reaching 33°C, while January has the coolest maximum daytime temperatures, reaching 31°C.

The peak heat season generally takes place in April, May and June.

Precipitation in North Sumatra varies considerably throughout the year. The wettest conditions occur in November with 377 mm of rain, while February stays relatively dry with 176 mm.

Visitors hoping to maximize their time in the sun should consider planning their trip for June, when daylight hours are at their peak.

Select a Month of Interest

Check the conditions for any month of the year.

Interested in the detailed Weather and Climate of North Sumatra, Indonesia?

Please select a city below the map you wish to travel to, or the one closest to your destination. Each selected city will show you the following graphs:
1. Average minimum and maximum temperature over the year
2. Average monthly precipitation over the year (rainfall, snow)
3. Average monthly hours of sunshine over the year
On certain pages we also offer other historical climate data like humidity wind speed and water temperature.