For most visitors, the best time to go to Mandeville is during the summer months from June to August, or in early autumn in September.Summer offers the warmest weather, with average temperatures around 20-25°C, making it ideal for outdoor activities. Days are long, allowing for extended exploration of the region's natural beauty, such as hiking trails in the nearby Mastigouche Wildlife Reserve or enjoying water sports on the many lakes. It's also when most local attractions and services are fully operational.Early autumn, particularly September, provides a beautiful transition. The weather remains pleasant, usually around 15-20°C, and the changing leaves offer stunning scenery for photography and scenic drives. There are fewer crowds compared to peak summer, which can make for a more relaxed experience while still enjoying the outdoors.Families with children often find summer the most convenient time due to school holidays, allowing for a longer, more comprehensive trip.