March in Langley is the rainiest and the cloudiest month of the year. In March, the weather in Langley is typically cold. Average daily high temperature in March is about 8 degrees above zero. On average, Langley has 27 rainy, 3 sunny, and 1 partly cloudy day in March. The rains are usually heavy. March as well as January, February, April, and October is considered the most uncomfortable time to visit Langley.