January in Kalispell is the snowiest month of the year. In January, the weather in Kalispell is typically freezing. Average daily high temperature in January is about 1 degree below zero. On average, Kalispell has 11 cloudy, 8 partly cloudy, 7 snowy, 4 sunny, and 1 rainy day in January. The snowfalls are usually moderate. January as well as February, March, April, and May is considered the most uncomfortable time to visit Kalispell.