Saint Roch, New Caledonia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Saint Roch is known for its proximity to the beautiful Blue River Provincial Park and the iconic Madeleine Waterfalls. The best time to travel to Saint Roch, New Caledonia, is from September to November, with average air temperatures around 24-27°C (75-81°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!