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