Argassi, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Argassi, Ionian Islands, Greece, is known for its proximity to the Zakynthos town and the famous Navagio Beach. The best time to travel to Argassi, Greece, is from June to September, with average air temperatures around 77-86°F (25-30°C) and water temperatures around 75-79°F (24-26°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!