It’s important to understand that “coldest” in Indonesia is relative. Being a tropical country, Indonesia doesn’t experience the kind of frigid temperatures seen in temperate or polar regions. However, high-altitude areas do get significantly cooler. Here’s a breakdown based on available information, with a focus on the coldest regions, and using
and
tags as requested.
Indonesia, while known for its tropical warmth, harbors pockets of surprisingly cool temperatures, especially in its highland regions. The island of Papua, with its towering mountains, stands out as the area where the coldest temperatures are recorded.
Papua: The Crown of Cold
Papua, particularly the areas around the Jayawijaya Mountains (also known as the Sudirman Range), is where you’ll find Indonesia’s chilliest conditions.
Kota Mulia

Located in the Puncak Jaya Regency, Kota Mulia is widely recognized as Indonesia’s coldest town.
Waghete
Also situated in Papua, Waghete is another area known for its cold temperatures.
Other Notable Cool Regions
While Papua holds the record for the coldest temperatures, other Indonesian islands also have areas with cooler climates.
Mamasa, Sulawesi
In West Sulawesi, the Mamasa Regency is known for its cool mountain climate.
Ruteng, Flores
Located in East Nusa Tenggara, Ruteng is another area with a noticeably cooler climate.
Factors Contributing to Cold Temperatures
Several factors contribute to the cooler temperatures in these Indonesian regions:
Altitude: The most significant factor is altitude. As elevation increases, air temperature decreases.
It is important to remember that even in the coldest areas of Indonesia, the climate is still tropical, so the term “cold” is relative.