Weather will likely play an important role when you plan your trip to Rizal, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually May and April, with an average temperature of 28°C, while the coldest months are February and January, with an average of 27°C. The rainiest months in Rizal are October, July, September and June, with each month seeing an average of 248 mm of rainfall.