The best time to go to Lac-Ernest is during the summer months, from June to August, or in the autumn, particularly September and early October.The summer offers the warmest weather, with average temperatures around 20-25°C, making it ideal for enjoying the lake's outdoor activities. You'll find opportunities for swimming, kayaking, and paddleboarding, as well as hiking and cycling around the scenic trails. The longer daylight hours also mean more time to explore and relax by the water.For those who appreciate stunning natural beauty and cooler temperatures, autumn is an excellent choice. The surrounding forests transform into a spectacular display of reds, oranges, and yellows, offering incredible photo opportunities. The air is crisp, superb for hiking, and the absence of summer crowds can make for a more tranquil experience.