The best time to visit Waterloo, Quebec, is during the summer months, from June to August, or in the autumn, from September to October.Summer offers the warmest weather, with average temperatures ranging from 20°C to 25°C, making it ideal for outdoor activities. The region's many lakes and hiking trails are fully accessible, and local farms often have fresh produce available. This period is particularly good for families looking for an active holiday, as they can enjoy swimming, cycling along the Route Verte, or exploring Yamaska National Park.Autumn brings stunning fall foliage, typically peaking in late September or early October. The rolling hills surrounding Waterloo are transformed with vibrant reds, oranges, and yellows. Temperatures are cooler, usually between 10°C and 18°C, which is great for scenic drives, hiking, or visiting local vineyards and cider mills.