August in Sarasota is the rainiest and the hottest month of the year. In August, the weather in Sarasota is typically hot. Average daily high temperature in August is about 29 degrees above zero. On average, Sarasota has 22 rainy, 4 sunny, 4 partly cloudy, 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 Sarasota.