June in Pinar del Rio is the rainiest and the cloudiest month of the year. In June, the weather in Pinar del Rio is typically hot. Average daily high temperature in June is about 30 degrees above zero. On average, Pinar del Rio has 23 rainy and 7 sunny days in June. The rains are usually heavy. June as well as July, August, September, and October is considered the most uncomfortable time to visit Pinar del Rio.