Nafpaktos, Greece offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Nafpaktos is known for its picturesque harbor and beautiful beaches. The best time to travel to Nafpaktos, Greece, is from late spring to early autumn (May to September), when the average air temperature ranges from 20°C to 30°C (68°F to 86°F) and the water temperature is typically between 20°C and 25°C (68°F to 77°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!