December in Regina is the cloudiest and the most freezing month of the year. In December, the weather in Regina is typically freezing. Average daily high temperature in December is about 8 degrees below zero. On average, Regina has 28 cloudy, 2 snowy, and 1 sunny day in December. The snowfalls are usually light. December as well as January, February, March, and April is considered the most uncomfortable time to visit Regina.