April in Salt Lake City is the rainiest and the windiest month of the year. In April, the weather in Salt Lake City is typically warm. Average daily high temperature in April is about 15 degrees above zero. On average, Salt Lake City has 12 sunny, 10 rainy, 6 partly cloudy, and 2 cloudy days in April. The rains are usually moderate. April as well as January, February, March, and November is considered the most uncomfortable time to visit Salt Lake City.