Weather is probably a major factor when you plan your trip to Pulau Perhentian Kecil, 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 January and February with an average of 79°F. The rainiest months in Pulau Perhentian Kecil are December, November, January, and October, with each month seeing an average of 19 inches of rainfall.