June in Port-au-Prince is the windiest and the cloudiest month of the year. In June, the weather in Port-au-Prince is typically hot. Average daily high temperature in June is about 29 degrees above zero. On average, Port-au-Prince has 26 rainy and 4 sunny days in June. The rains are usually heavy. June as well as March, April, May, and July is considered the most uncomfortable time to visit Port-au-Prince.