New Plymouth, New Zealand offers 9 beaches perfect for sunbathing, surfing, swimming, and more. New Plymouth is known for its stunning coastal walkway, the iconic Mount Taranaki, and the Govett-Brewster Art Gallery. The best time to travel to New Plymouth, New Zealand, is during the summer months of December to February, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 19-21°C (66-70°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!