January weather forecast in Tromsø

January in Tromsø is the sunniest month of the year. In January, the weather in Tromsø is typically freezing. Average daily high temperature in January is about 5 degrees below zero. On average, Tromsø has 17 snowy, 7 sunny, 4 partly cloudy, and 3 cloudy days in January. The snowfalls are usually heavy.