Oamaru, New Zealand offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Oamaru is known for its Victorian Precinct and the Oamaru Blue Penguin Colony. The best time to travel to Oamaru, New Zealand, is from December to February, with average air temperatures around 20°C (68°F) and water temperatures around 15°C (59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!