Lake Tekapo, New Zealand offers 1 beach perfect for sunbathing, surfing, swimming, and more. Lake Tekapo is known for its stunning turquoise lake and breathtaking night sky views. The best time to travel to Lake Tekapo, New Zealand, is during the summer months of December to February, when the average air temperature ranges from 10°C to 25°C (50°F to 77°F) and the water temperature is 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!