Weather will likely play an important role when you plan your trip to Mouila, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually March and April with an average temp of 78°F, while the coldest months are July and June with an average of 77°F. The rainiest months in Mouila are November, October, December, and March, with each month seeing an average of 15 inches of rainfall.