May in Maicao is the rainiest month of the year. In May, the weather in Maicao is typically hot. Average daily high temperature in May is about 31 degrees above zero. On average, Maicao has 28 rainy, 2 sunny, and 1 cloudy day in May. The rains are usually heavy. May as well as April, June, July, and August is considered the most uncomfortable time to visit Maicao.