March weather forecast in Hillsborough

March in Hillsborough is the windiest month of the year. In March, the weather in Hillsborough is typically cold. Average daily high temperature in March is about 4 degrees above zero. On average, Hillsborough has 9 sunny, 9 partly cloudy, 6 cloudy, 5 rainy, and 2 snowy days in March. The rains are usually heavy. March as well as January, February, April, and May is considered the most uncomfortable time to visit Hillsborough.