Weather is probably a major factor when you plan your trip to Tarakan, but bear 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 temperature of 28°C, while the coldest months are February and January, with an average of 27°C. The snowiest months in Tarakan are May, April, January and February, with each month seeing an average of 64 cm of snowfall.