Weather is probably a major factor when you plan your trip to Lae, 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 83°F, while the coldest months are February and March with an average of 81°F. The rainiest months in Lae are October, November, September, and August, with each month seeing an average of 12 inches of rainfall.