March in Clearwater is the windiest and the sunniest month of the year. In March, the weather in Clearwater is typically warm. Average daily high temperature in March is about 21 degrees above zero. On average, Clearwater has 24 sunny, 5 partly cloudy, and 2 rainy days in March. The rains are usually light. March as well as April, November, and December is considered the most comfortable time to visit Clearwater.