May in San Francisco de Macoris is the cloudiest month of the year. In May, the weather in San Francisco de Macoris is typically hot. Average daily high temperature in May is about 29 degrees above zero. On average, San Francisco de Macoris has 20 rainy, 10 sunny, and 1 partly cloudy day 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 Francisco de Macoris.