Toko Mouth, New Zealand offers 1 beach perfect for sunbathing, surfing, swimming, and more. Toko Mouth, Otago, New Zealand, is known for its proximity to the scenic Catlins region and the nearby Nugget Point Lighthouse. The best time to travel to Toko Mouth, 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!