February weather forecast in Longmont

February in Longmont is the snowiest month of the year. In February, the weather in Longmont is typically cold. Average daily high temperature in February is about 4 degrees above zero. On average, Longmont has 12 sunny, 10 partly cloudy, 6 snowy, and 1 cloudy day in February. The snowfalls are usually light. February as well as January, May, June, and July is considered the most uncomfortable time to visit Longmont.