January in South Indian Lake is the cloudiest and the most freezing month of the year. In January, the weather in South Indian Lake is typically freezing. Average daily high temperature in January is about 19 degrees below zero. On average, South Indian Lake has 29 cloudy and 2 snowy days in January. The snowfalls are usually light. January as well as February, March, October, and November is considered the most uncomfortable time to visit South Indian Lake.