May in Samana is the cloudiest month of the year. In May, the weather in Samana is typically warm. Average daily high temperature in May is about 27 degrees above zero. On average, Samana has 17 rainy, 10 sunny, and 4 partly cloudy days in May. The rains are usually heavy. May as well as July, August, September, and October is considered the most uncomfortable time to visit Samana.