January in Hudson Bay is the snowiest and the most freezing month of the year. In January, the weather in Hudson Bay is typically freezing. Average daily high temperature in January is about 11 degrees below zero. On average, Hudson Bay has 10 cloudy, 8 partly cloudy, 7 snowy, and 6 sunny days in January. The snowfalls are usually light. January as well as February and December is considered the most uncomfortable time to visit Hudson Bay.