Weather will likely play an important role when you plan your trip to Prospect, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually September and August, with an average temperature of 28°C, while the coldest months are March and February, with an average of 25°C. The rainiest months in Prospect are October, November, June and May, with each month seeing an average of 204 mm of rainfall.