Sevan, Armenia offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Sevan is known for Lake Sevan and Sevanavank Monastery. The best time to travel to Sevan, Armenia, is from June to September, with average air temperatures around 20-25°C (68-77°F) and water temperatures around 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!