Weather in Indonesia for October 2025

In October, Indonesia experiences varying weather conditions across its diverse archipelago. At the beginning of the month, the weather in Indonesia is generally warm and humid, with temperatures ranging from 25° to 32° in popular tourist destinations like Bali and Jakarta.

However, as the month progresses, the weather tends to transition into the wet season, particularly in regions like Sumatra and Kalimantan. This shift brings an increase in rainfall and higher humidity levels, with temperatures remaining relatively stable around 26° to 30°.

In Bali, the beginning of October offers favorable weather for outdoor activities, with plenty of sunshine and minimal rainfall. However, by the end of the month, intermittent showers become more frequent, and visitors may experience higher humidity levels.

In contrast, regions like Sumatra and Kalimantan see an escalation in rainfall from the beginning to the end of October, with the potential for heavy downpours and thunderstorms.

Overall, October marks the transition from dry to wet season in Indonesia, with varying weather patterns depending on the specific region. It's important for travelers to be prepared for potential changes in weather conditions and plan their activities accordingly.