July in Palm Beach is the hottest month of the year. In July, the weather in Palm Beach is typically hot. Average daily high temperature in July is about 31 degrees above zero. On average, Palm Beach has 26 rainy, 2 sunny, 2 partly cloudy, and 1 cloudy day in July. The rains are usually heavy. July as well as June, August, and September is considered the most uncomfortable time to visit Palm Beach.