May in Enid is the rainiest and the cloudiest month of the year. In May, the weather in Enid is typically warm. Average daily high temperature in May is about 27 degrees above zero. On average, Enid has 12 sunny, 11 rainy, 6 partly cloudy, and 2 cloudy days in May. The rains are usually heavy. May as well as January, February, June, and July is considered the most uncomfortable time to visit Enid.