June in South Lake Tahoe is the windiest month of the year. In June, the weather in South Lake Tahoe is typically warm. Average daily high temperature in June is about 22 degrees above zero. On average, South Lake Tahoe has 20 sunny, 5 rainy, and 5 partly cloudy days in June. The rains are usually light. June as well as July, August, and September is considered the most comfortable time to visit South Lake Tahoe.