Planning for the weather is a good way to make your trip to Bandung relaxing and enjoyable, especially when you're splurging. The hottest months are usually September and October, with an average temperature of 23°C, while the coldest months are July and August, with an average of 23°C. The rainiest months in Bandung are November, December, March and April, with each month seeing an average of 510 mm of rainfall.