March in Kalispell is the rainiest month of the year. In March, the weather in Kalispell is typically cold. Average daily high temperature in March is about 3 degrees above zero. On average, Kalispell has 26 rainy, 3 cloudy, and 2 sunny days in March. The rains are usually moderate. March as well as April, October, and November is considered the most uncomfortable time to visit Kalispell.