Argos, Greece offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Argos is known for the ancient archaeological site of the Heraion of Argos and the Larisa Fortress. The best time to travel to Argos, Greece, is from May to September, with average air temperatures ranging from 75°F to 90°F and water temperatures from 70°F to 80°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!