Indonesia Climate & Weather

Indonesia is the world's largest archipelago country, with a total of about 17,508 islands nationwide, known as the "Country of Thousand Islands". Indonesia is located in the southeast of Asia, straddling the equator (12 °S ~ 7°N). More than 70% of its territory is located in the southern hemisphere, so it is the only southern hemisphere country in Asia. Indonesia belongs to a typical tropical rainforest climate, with no difference between the four seasons. The average annual temperature is 25°C - 27°C. Read on to know more about Indonesia Climate & Weather.


Indonesia Climate & Weather

Indonesia is located in the equatorial tropical region and belongs to a tropical rainforest climate. The climate is characterized by high temperatures and rain. Indonesia is controlled by the equatorial low-pressure zone all year round, and the updraft prevails, forming a tropical rainforest climate with high temperature and rain all year round.


Indonesia is hot and rainy throughout the year. The average annual temperature is around 28°C, which can be said to be like summer throughout the year. The average temperature of each month within a year varies between 24℃- 28℃. The annual temperature difference generally does not exceed 5℃, especially in the ocean, usually does not exceed 1℃. The daily change of temperature is greater than the annual change, and the daily difference can reach 10℃-15℃. But the daily maximum temperature rarely exceeds 35℃, and the daily minimum temperature rarely falls below 20℃.

The cities with the highest average annual temperature in Indonesia are Denpasar (32℃), Pontianak (32℃), Samedan (32℃), Wurong (32℃), Manado (31℃), Jakarta (31℃), Ambon (30℃), Biak (30℃), Longmu (30℃). The cities with the lowest average annual temperature in Indonesia are Manado (21℃) and Ambon (22℃), Pontianak (22℃), Longmu (22℃), Wu Rong (22℃), Biak (23℃)、Dampasa (23℃), Samedan (23℃), Jakarta (25℃).



Indonesia has abundant rainfall, with an average of 2000 mm – 3000 mm throughout the year. The northern part of Indonesia was affected by the northern hemisphere monsoon, and precipitation was abundant in July, August, and March, and the southern part of Indonesia was affected by the southern hemisphere monsoon, with abundant precipitation in December, January, and February.

Judging from the type of precipitation, most of the precipitation in Indonesia belongs to "convective rain", that is, thunderstorm. Java island in Indonesia has another name for the "world thunder pole". The average annual number of thunderstorm days here exceeds 220 days. Bogor City, located in the western part of Java, has more thunderstorms, with more than 300 days of thunderstorms out of 365 days a year.

►Rainy Season & Dry Season in Indonesia

Indonesia does not have spring, summer, autumn and winter, but a rainy season and a dry season. Since Indonesia is located between Asia and Australia, its climate is affected by the monsoons of these two continents. The rainy season is generally from November to April of the following year, when the Asian continent enters winter and the air pressure is high; Australia enters summer, the air pressure is low, and the high air pressure flows to low air pressure. The wind blows from the Asian continent to Indonesia, forming a northwest monsoon. This kind of wind passes through the vast ocean and absorbs a lot of water. When it reaches Indonesia, it often rains, which is the rainy season.

May to October is the dry season. At this time, Asia enters summer and Australia enters winter. The monsoon is changed from Australia to Indonesia to form the southeast monsoon. This kind of wind is relatively dry and seldom rains when it blows to Indonesia. It is the dry season.


Best Time to Visit Indonesia

From April to October every year, Indonesia ushers in its peak tourist season. Because there is less precipitation in Indonesia during this period. On the contrary, from November to March each year is the time when Indonesia has the most precipitation. At this time, Indonesia can be said to have heavy rain every day. The heavy rain seriously affects the convenience of the road. Therefore, travelers are advised to avoid visiting Indonesia during this period.



Dressing Code

What to wear in Indonesia? The average daytime temperature in Indonesia is 31°C. It is recommended to wear clothes made of light cotton fabric such as short clothes, short skirts, thin short skirts, shorts and other cool and breathable clothes.

At night, the average temperature in Indonesia is 22℃. It is recommended to wear short suits, T-shirts, thin denim pants, casual wear, professional suits and other comfortable clothes.