March weather forecast in Olathe

March in Olathe is the cloudiest month of the year. In March, the weather in Olathe is typically warm. Average daily high temperature in March is about 12 degrees above zero. On average, Olathe has 12 partly cloudy, 9 sunny, 8 rainy, and 2 cloudy days in March. The rains are usually moderate. March as well as January, February, and December is considered the most uncomfortable time to visit Olathe.