In March, the weather in Billings is typically warm. Average daily high temperature in March is about 9 degrees above zero. On average, Billings has 11 partly cloudy, 9 sunny, 5 rainy, 4 cloudy, and 2 snowy days in March. The rains are usually light. March as well as January, February, November, and December is considered the most uncomfortable time to visit Billings.