Port Chalmers, New Zealand offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Port Chalmers is known for its vibrant arts scene and historic architecture. The best time to travel to Port Chalmers, 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 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!