An overview of Indonesia weather
Indonesia weather can be split into two seasons, it is dry and wet season, with the average warm tropical temperatures throughout the year is 30°C during the day. The dry season is normally started in May until September, while the wet season or the rainy season is between October and April.
Best time to visit Indonesia during the year
It actually depends on what you are intended to do, whether you want to climb the mountains, having scuba diving, sightseeing for instance. Scuba diving is probably is more flexible in term of the best time to visit. But, if you are planning to climb the mountain like Mount Rinjani or Mount Merapi, it is for sure doing it during the dry season within the period of time mentioned above is reccommended.
However, in general, the best time to visit Indonesia is sometime between May to September, within this period of time you can enjoy warm sunny day. Even though, now days the weather across the archipelago can be unpredictable.
For you who are from the countries that have four seasons humidity can be a little bit challenging, so makes sure to include your sun-block in your travel items. You don’t have to worry about the rain coat or umbrella as you can easily find it at most of the shops in Indonesia with very cheap price.
The best time to visit Sumatra
Sumatra is a large island that have more tropical climate with the possibility of rain showers year round, especially in the jungle areas such as Bukit Lawang. The heaviest rainfall is normally occurs between October and February. Other than these months is dry season which happens around March to September. Climbing the mountain like Mount Kerinci is best to do within this period of time. The average temperatures is around 27-30°C throughout the year, however at the place like Pekanbaru can get to 40°C during the dry season.
The best time to visit Java
Java is maybe sounds familiar to you, and this island experiences the dry season between May to September. Therefore it is good idea to climb the mountain during this time like Mount Merapi or doing the trip to Bromo or Ijen. While wet or rainy season happens between November to March.
Temperatures are consistently warm year round, with average daily temperatures is around 28-30°C, and of course the temperatures are cooler in the higher mountainous regions such as Mt Bromo, especially at night.
The best time to visit Bali
Bali’s dry season happens from April to September, with days characterised by blue skies and sunshine. The months of May, June and September are arguably the best time to visit, when the weather conditions are idyllic but visitor numbers are not at their highest, meaning the popular beach resorts of Jimbaran, Sanur and Seminyak are not too crowded.
Bali’s wet season falls between October and March, but we’re talking brief tropical rainfall rather than days of monsoonal downpours. Temperatures in Bali are fairly consistent year round, ranging from 26°C – 29°C, although the central regions around Ubud and the mountains, such as Mt Batur, experiences cooler temperatures and higher rainfall than the coastal regions.
The best time to visit Sulawesi
Sulawesi, with its interesting shape on the map, experiences different weather conditions depending on where you are on the island. In Toraja and the southern part of the island monsoon rains fall between November & April; whilst the city of Manado and the northern regions experience rainfall year round, with the driest months between July & October.
Temperature-wise it can get very stuffy on the coast, with highs of 34°C, dropping to a positively brisk 24°C in the hills of central Sulawesi.
The best time to visit Kalimantan
Kalimantan is a large island and weather conditions vary slightly across the island, with the southern regions being the driest and the rainforest-covered interior predictably the wettest.
The island experiences a light rainy season from March to May, with heavier rains falling between November and January. However, overall the rains on Kalimantan tend to be lower than neighbouring parts of Indonesia, such as the island of Java. Dry season spans from June until September, with August and September being the driest months of the year. Orang-utans can be spotted in the Tanjung Puting National Park throughout the year, although during rainy season they tend to be more elusive, preferring to shelter.
The temperature ranges from a warm 23°C at night to a hot 33°C during the day, with the hottest months typically May and August.
The best time to visit Nusa Tenggara
Nusa Tenggara including Lombok, Flores, Komodo National Park, and Sumba are the most visited destinations within this region.
The dry season normally occurs from April and September when you can enjoy the sunny day and blue skies. So, it is the best time to climb the beautiful mount Rinajani located in Lombok in dry season. And within this period of time is also good time to visit Gili Islands (also in Lombok) and Komodo National Park.
And the wet season happens from October to and March within the year, and you will experience the heavy from November to January.
The temperature in this region is around 27-30 °C at average all over the year, it can also be up to 33°C during the dry season.