Manapouri, New Zealand offers 1 beach perfect for sunbathing, surfing, swimming, and more. Manapouri is known for being the gateway to the stunning Fiordland National Park and the starting point for trips to Doubtful Sound. The best time to travel to Manapouri, New Zealand, is during the summer months of December to February, when the average air temperature is around 20°C (68°F) and the water temperature is approximately 15°C (59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!