January in Luleå is the snowiest, the windiest, and the most freezing month of the year. In January, the weather in Luleå is typically freezing. Average daily high temperature in January is about 6 degrees below zero. On average, Luleå has 11 cloudy, 8 snowy, 7 partly cloudy, and 5 sunny days in January. The snowfalls are usually moderate.