Chaslands, New Zealand offers 1 beach perfect for sunbathing, surfing, swimming, and more. Chaslands is known for the Cathedral Caves, a popular tourist attraction in Otago, New Zealand. The best time to travel to Chaslands, 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!