Weather will likely play an important role when you plan your trip to Perry, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and August, with an average temperature of 27°C, while the coldest months are January and February, with an average of 14°C. The rainiest months in Perry are June, August, July and September, with each month seeing an average of 188 mm of rainfall.