March weather forecast in Gaithersburg

In March, the weather in Gaithersburg is typically warm. Average daily high temperature in March is about 10 degrees above zero. On average, Gaithersburg has 10 rainy, 10 partly cloudy, 7 sunny, and 4 cloudy days in March. The rains are usually moderate. March as well as January, February, and December is considered the most uncomfortable time to visit Gaithersburg.