Granby, Canada offers 1 beach perfect for sunbathing, surfing, swimming, and more. Granby, Quebec, Canada, is known for the Granby Zoo, one of the largest and most popular zoos in Canada. The best time to travel to Granby, Canada, is during the summer months of June to August, when the average air temperature is around 70°F (21°C) and water temperature is approximately 68°F (20°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!