Legrena, Greece offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Legrena is known for its proximity to the Temple of Poseidon at Cape Sounion. The best time to travel to Legrena, Greece, is from late May to early October, with average air temperatures ranging from 75°F to 85°F and water temperatures from 72°F to 79°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!