March weather forecast in Richland

March in Richland is the rainiest month of the year. In March, the weather in Richland is typically warm. Average daily high temperature in March is about 12 degrees above zero. On average, Richland has 12 rainy, 12 cloudy, 4 sunny, and 3 partly cloudy days in March. The rains are usually light. March as well as January, February, November, and December is considered the most uncomfortable time to visit Richland.