Weather is probably a major factor when you plan your trip to Lamitan, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually April and May with an average temp of 82°F, while the coldest months are February and January with an average of 81°F. The rainiest months in Lamitan are June, July, October, and August, with each month seeing an average of 9 inches of rainfall.