Nepoui, New Caledonia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Nepoui is known for its proximity to the beautiful beaches and rich marine life of the North Province, New Caledonia. The best time to travel to Nepoui, New Caledonia, is from September to November, when the average air temperature is around 24°C (75°F) and the water temperature is approximately 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!