August in Palm Coast is the rainiest and the cloudiest month of the year. In August, the weather in Palm Coast is typically hot. Average daily high temperature in August is about 30 degrees above zero. On average, Palm Coast has 22 rainy, 8 sunny, and 1 cloudy day in August. The rains are usually heavy. August as well as June, July, and September is considered the most uncomfortable time to visit Palm Coast.