what's the weather in salt lake utah
Average Weather in December in Salt Lake City Utah, United States. In Salt Lake City, the month of December is characterized by falling daily high temperatures, with daily highs decreasing by 8Â°F, from 43Â°F to 35Â°F over the course of the month, and rarely exceeding 56Â°F or dropping below 25Â°F. The lowest daily average high temperature is 35Â°F on December 31.