What is the best exterior paint for rain? - PaintzenIf you live in a rainy climate and want to paint your house, you've come to the right place. Review paintzen's advice ... If you're looking for an exterior paint that can withstand regular heavy rain and continue to look fantastic for years to come, choose a latex paint with an acrylic binder. This type of paint has ... If you are painting wood that has never been painted or stained before, you will need to prime the surface to protect it from the weather before you start painting. If you plan to use ...