March in Salt Lake City is the windiest month of the year. In March, the weather in Salt Lake City is typically cold. Average daily high temperature in March is about 8 degrees above zero. On average, Salt Lake City has 12 partly cloudy, 8 sunny, 7 rainy, and 4 cloudy days in March. The rains are usually moderate. March as well as February is considered the most uncomfortable time to visit Salt Lake City.