December in Swift Current is the most freezing month of the year. In December, the weather in Swift Current is typically freezing. Average daily high temperature in December is about 7 degrees below zero. On average, Swift Current has 22 cloudy, 4 sunny, 3 partly cloudy, and 2 snowy days in December. The snowfalls are usually light. December as well as March, April, May, and November is considered the most uncomfortable time to visit Swift Current.