Wyuna Bay, New Zealand offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Wyuna Bay is known for its scenic beaches and proximity to the Coromandel Peninsula's natural attractions. The best time to travel to Wyuna Bay, New Zealand, is during the summer months of December to February, when the average air temperature is around 22°C (72°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!