Lausanne, Switzerland offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Lausanne is known for the Olympic Museum and the International Olympic Committee headquarters. The best time to travel to Lausanne, Switzerland, is from June to September, with average air temperatures around 20-25°C (68-77°F) and Lake Geneva water temperatures around 19-24°C (66-75°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!