Kaliviani, Greece offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Kaliviani, Crete, Greece, is known for its proximity to the stunning Balos Lagoon and the historic Gramvousa Fortress. The best time to travel to Kaliviani, Greece, is from May to September, with average air temperatures ranging from 25-30°C (77-86°F) and water temperatures around 23-26°C (73-79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!