Taking into account the local weather in Catanauan is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually May and April with an average temp of 83°F, while the coldest months are February and January with an average of 79°F. The rainiest months in Catanauan are July, September, October, and June, with each month seeing an average of 12 inches of rainfall.