August in Edgewater is the sunniest month of the year. In August, the weather in Edgewater is typically warm. Average daily high temperature in August is about 26 degrees above zero. On average, Edgewater has 15 sunny, 12 partly cloudy, and 4 rainy days in August. The rains are usually light. August as well as September is considered the most comfortable time to visit Edgewater.