There's nothing like an all-inclusive holiday in Bandungan to revive you, especially when you know what to expect from the elements. Here's some information to help you decide when to book: The hottest months are usually September and October, with an average temperature of 26°C, while the coldest months are July and August, with an average of 26°C. August and July are the driest months, while January and December are the rainiest months.