Indonesian Weather

Indonesian Weather

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Weather Wet Season
Low Season
(Oct–Apr)
Weather Dry Season
Dry Season
(May, Jun & Sep)
Tourist High Season
High Season
(Jul & Aug)
Wet season in Java, Bali and Lombok. Dry season (best for diving) in Maluku and Papua. It’s often easy to find deals and you can travel with little advance booking (except at Christmas and New Years).

Dry season outside Maluku & Papua. Best weather in Java, Bali and Lombok (dry, not so humid). You can travel more spontaneously.

Tourist numbers surge across Indonesia, from Bali to Sulawesi and beyond. Rates can spike by 50%. Dry season except in Maluku and Papua, which are rainy.

The climate of Indonesian Weather is almost entirely tropical. The uniformly warm waters that make up 81% of Indonesia’s area ensure that temperatures on land remain fairly constant, with the coastal plains averaging 28 °C, the inland and mountain areas averaging 26 °C, and the higher mountain regions, 23 °C. Temperature varies little from season to season, and Indonesia experiences relatively little change in the length of daylight hours from one season to the next; the difference between the longest day and the shortest day of the year is only forty-eight minutes. This allows crops to be grown all year round.

The main variable of Indonesia’s climate is not temperature or air pressure, but rainfall. The area’s relative humidity ranges between 70 and 90%. Winds are moderate and generally predictable, with monsoons usually blowing in from the south and east in June through September and from the northwest in December through March. Typhoons and large-scale storms pose little hazard to mariners in Indonesia waters; the major danger comes from swift currents in channels, such as the Lombok and Sape straits.

 

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