January weather forecast in Derry

January in Derry is the snowiest and the coldest month of the year. In January, the weather in Derry is typically freezing. Average daily high temperature in January is about zero. On average, Derry has 11 sunny, 9 partly cloudy, 4 snowy, 4 cloudy, and 3 rainy days in January. The snowfalls are usually heavy. January as well as February, March, April, and November is considered the most uncomfortable time to visit Derry.