May in Ridley Park is the rainiest and the cloudiest month of the year. In May, the weather in Ridley Park is typically warm. Average daily high temperature in May is about 21 degrees above zero. On average, Ridley Park has 16 rainy, 7 sunny, 6 partly cloudy, and 2 cloudy days in May. The rains are usually heavy. May as well as January, February, March, and December is considered the most uncomfortable time to visit Ridley Park.