Whananaki, New Zealand offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Whananaki is known for the Whananaki Footbridge, the longest footbridge in the Southern Hemisphere. The best time to travel to Whananaki, 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!