Quiz: What is the average water temperature of Lake Tahoe in the s December 29, 2024 by Finn Harper What is the average water temperature of Lake Tahoe in the summer months? Discover more about Lake Tahoe Tours at our home page. A) 68°F (20°C) B) 75°F (24°C) C) 62°F (17°C) D) 70°F (21°C) Submit Answer