In March, the weather in Capitol Hill is typically warm. Average daily high temperature in March is about 27 degrees above zero. On average, Capitol Hill has 14 partly cloudy, 11 sunny, 4 rainy, and 2 cloudy days in March. The rains are usually moderate. March as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Capitol Hill.