March in Pullman is the rainiest and the windiest month of the year. In March, the weather in Pullman is typically cold. Average daily high temperature in March is about 8 degrees above zero. On average, Pullman has 20 rainy, 4 sunny, 4 cloudy, and 3 partly cloudy days in March. The rains are usually heavy. March as well as January, February, April, and November is considered the most uncomfortable time to visit Pullman.