Mangawhai, New Zealand offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Mangawhai is known for Mangawhai Heads Beach and the Mangawhai Cliffs Walkway. The best time to travel to Mangawhai, 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 20°C (68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!