January weather forecast in Seinäjoki

January in Seinäjoki is the most freezing month of the year. In January, the weather in Seinäjoki is typically freezing. Average daily high temperature in January is about 5 degrees below zero. On average, Seinäjoki has 15 snowy, 13 cloudy, 2 sunny, and 1 partly cloudy day in January. The snowfalls are usually light.