Taking into account the local weather in Rizal is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually May and June with an average temp of 81°F, while the coldest months are January and February with an average of 73°F. The rainiest months in Rizal are December, August, October, and July, with each month seeing an average of 13 inches of rainfall.