Weather will likely play an important role when you plan your trip to Régina, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually October and September with an average temp of 80°F, while the coldest months are July and June with an average of 77°F. The rainiest months in Régina are May, April, February, and January, with each month seeing an average of 14 inches of rainfall.