April weather forecast in Plano

April in Plano is the windiest month of the year. In April, the weather in Plano is typically warm. Average daily high temperature in April is about 23 degrees above zero. On average, Plano has 16 sunny, 9 partly cloudy, and 5 rainy days in April. The rains are usually heavy. April as well as October is considered the most comfortable time to visit Plano.