Climate

The climate of North Sumatera, just like other areas in Indonesia, is tropical. There are two seasons, i.e., the dry seasons (February to August) and the rainy seasons (September to January).


The rainfall varies from one region to another between 1000 mm and 4000 mm per year, with the temperature betwen 22 degree celcius - 30 degree celcius. The temperature in mountainous regions, such as Karo regency, North Tapanuli, and Dairi is lower than the average temperature throughout the rest of North Sumatera.