January in Swan River is the most freezing month of the year. In January, the weather in Swan River is typically freezing. Average daily high temperature in January is about 12 degrees below zero. On average, Swan River has 17 cloudy, 7 partly cloudy, 5 sunny, and 2 snowy days in January. The snowfalls are usually light. January as well as February, April, October, and December is considered the most uncomfortable time to visit Swan River.