January weather forecast in Interlaken

January in Interlaken is the most freezing month of the year. In January, the weather in Interlaken is typically freezing. Average daily high temperature in January is about 1 degree below zero. On average, Interlaken has 12 snowy, 7 sunny, 6 partly cloudy, 5 cloudy, and 1 rainy day in January. The snowfalls are usually moderate.