January in Plast is the cloudiest and the most freezing month of the year. In January, the weather in Plast is typically freezing. Average daily high temperature in January is about 11 degrees below zero. On average, Plast has 11 cloudy, 9 partly cloudy, 6 snowy, and 5 sunny days in January. The snowfalls are usually light. January as well as February, October, and December is considered the most uncomfortable time to visit Plast.