October in Miramar Beach is the sunniest month of the year. In October, the weather in Miramar Beach is typically warm. Average daily high temperature in October is about 25 degrees above zero. On average, Miramar Beach has 18 sunny, 7 rainy, 4 partly cloudy, and 2 cloudy days in October. The rains are usually heavy. October as well as April and November is considered the most comfortable time to visit Miramar Beach.