The weather in Indonesia in August is very hot. The average temperatures are between 26°C and 31°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Indonesia during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Indonesia in August 2025.
If you’re planning to visit Indonesia in the near future, we highly recommend that you review the 14 day weather forecast for Indonesia before you arrive.