July weather forecast in La Romana

July in La Romana is the hottest month of the year. In July, the weather in La Romana is typically hot. Average daily high temperature in July is about 30 degrees above zero. On average, La Romana has 19 rainy and 12 sunny days in July. The rains are usually heavy. July as well as May, June, August, and September is considered the most uncomfortable time to visit La Romana.