Weather is only one factor, but it can really affect your travel plans, especially if you're planning an extended stay in Aranuka. The hottest months are usually May and June with an average temp of 83°F, while the coldest months are March and February with an average of 82°F. The rainiest months in Aranuka are March, January, April, and December, with each month seeing an average of 9 inches of rainfall.