Gatineau, Canada offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Gatineau is known for the Canadian Museum of History and Gatineau Park. The best time to travel to Gatineau, Canada, is during the summer months of June to August, when the average air temperature is around 70°F (21°C) and water temperature in nearby lakes 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!