Naia, New Caledonia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Naia is known for its stunning beaches and vibrant coral reefs. The best time to travel to Naia, New Caledonia, is from September to November, with average air temperatures around 24°C (75°F) and water temperatures about 23°C (73°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!