Tawharanui Peninsula, New Zealand offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Tawharanui Peninsula, Auckland, New Zealand, is known for Tawharanui Regional Park, which features stunning beaches, native wildlife, and scenic walking trails. The best time to travel to Tawharanui Peninsula, New Zealand, is during the summer months of December to February, when the average air temperature is around 24°C (75°F) and the water temperature is approximately 21°C (70°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!