May in Hato Mayor del Rey is the rainiest month of the year. In May, the weather in Hato Mayor del Rey is typically hot. Average daily high temperature in May is about 28 degrees above zero. On average, Hato Mayor del Rey has 24 rainy and 7 sunny days in May. The rains are usually heavy. May as well as April, June, July, and August is considered the most uncomfortable time to visit Hato Mayor del Rey.