Osborne, New Zealand offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Osborne, Otago, New Zealand, is known for its proximity to the scenic Otago Peninsula and the Royal Albatross Centre. The best time to travel to Osborne, New Zealand, is during the summer months of December to February, when the average air temperature is around 20°C (68°F) and the water temperature is approximately 16°C (61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!