March weather forecast in Flagstaff

In March, the weather in Flagstaff is typically warm. Average daily high temperature in March is about 10 degrees above zero. On average, Flagstaff has 15 sunny, 8 partly cloudy, 4 rainy, 3 cloudy, and 1 snowy day in March. The rains are usually moderate. March as well as January, February, July, and August is considered the most uncomfortable time to visit Flagstaff.