January in Cockermouth is the rainiest, the cloudiest, and the coldest month of the year. In January, the weather in Cockermouth is typically cold. Average daily high temperature in January is about 6 degrees above zero. On average, Cockermouth has 26 rainy, 4 sunny, and 1 cloudy day in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Cockermouth.