January in Uk is the most freezing month of the year. In January, the weather in Uk is typically freezing. Average daily high temperature in January is about 11 degrees below zero. On average, Uk has 15 cloudy, 10 snowy, 5 sunny, and 1 partly cloudy day in January. The snowfalls are usually light. January as well as April, September, and October is considered the most uncomfortable time to visit Uk.