Eich, Switzerland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Eich, Kanton Luzern, Switzerland, is known for its proximity to Lake Sempach and the scenic beauty of the surrounding Swiss countryside. The best time to travel to Eich, Switzerland, is during the summer months of June to August, when the average air temperature is around 20-25°C (68-77°F) and the water temperature in nearby Lake Sempach is approximately 18-22°C (64-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!