Weather is probably a major factor when you plan your trip to Pulau Derawan, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually May and June with an average temp of 82°F, while the coldest months are February and January with an average of 81°F. The snowiest months in Pulau Derawan are May, April, January, and February, with each month seeing an average of 25 inches of snowfall.