Weather is probably a major factor when you plan your trip to Sukabumi, and keep 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 temp of 75°F, while the coldest months are July and August with an average of 74°F. The rainiest months in Sukabumi are November, April, December, and March, with each month seeing an average of 19 inches of rainfall.