January in Park City is the snowiest and the coldest month of the year. In January, the weather in Park City is typically freezing. Average daily high temperature in January is about zero. On average, Park City has 9 sunny, 8 partly cloudy, 7 cloudy, 6 snowy, and 1 rainy day in January. The snowfalls are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Park City.