Weather is probably a major factor when you plan your trip to Sukabumi, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually September and August, with an average temperature of 24°C, while the coldest months are July and August, with an average of 23°C. The rainiest months in Sukabumi are November, April, December and March, with each month seeing an average of 484 mm of rainfall.