Weather will likely play an important role when you plan your trip to Belitung, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually May and September, with an average temperature of 28°C, while the coldest months are September and July, with an average of 27°C. The rainiest months in Belitung are November, December, April and May, with each month seeing an average of 340 mm of rainfall.