Oakville, Canada offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Oakville is known for its picturesque Bronte Harbour, the Oakville Centre for the Performing Arts, and the Glen Abbey Golf Club. The best time to travel to Oakville, Canada, is during the summer months of June to August, when the average air temperature is around 70°F (21°C) and the water temperature in Lake Ontario 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!