March in Lancaster is the windiest and the sunniest month of the year. In March, the weather in Lancaster is typically warm. Average daily high temperature in March is about 11 degrees above zero. On average, Lancaster has 12 sunny, 10 rainy, 8 partly cloudy, and 1 cloudy day in March. The rains are usually heavy. March as well as January, February, November, and December is considered the most uncomfortable time to visit Lancaster.