Agios Vasilios, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Agios Vasilios is known for its proximity to the historic site of Delphi. The best time to travel to Agios Vasilios, Greece, is from May to September, 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!