May in Santiago de los Caballeros is the rainiest and the cloudiest month of the year. In May, the weather in Santiago de los Caballeros is typically hot. Average daily high temperature in May is about 30 degrees above zero. On average, Santiago de los Caballeros has 17 rainy, 7 partly cloudy, 6 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 Santiago de los Caballeros.