February in South Lake Tahoe is the cloudiest month of the year. In February, the weather in South Lake Tahoe is typically cold. Average daily high temperature in February is about 3 degrees above zero. On average, South Lake Tahoe has 11 rainy, 7 sunny, 7 partly cloudy, and 4 cloudy days in February. The rains are usually heavy. February as well as January, March, April, and November is considered the most uncomfortable time to visit South Lake Tahoe.