The best time to visit Chertsey is during the summer months, from June to August, or in the fall, from September to October.Summer offers the warmest weather, with average temperatures in the low to mid-20s Celsius (70s Fahrenheit), making it ideal for outdoor activities like hiking, kayaking, and exploring the many lakes and forests in the Lanaudière region. Families often find this season superb for enjoying the natural attractions and making the most of the long daylight hours.For couples seeking a picturesque and tranquil experience, the fall foliage season in September and October is unparalleled. The surrounding Laurentian mountains transform into a stunning display of red, orange, and gold, providing a beautiful backdrop for scenic drives, gentle walks, and cozy evenings.