October in Port Wentworth is the sunniest month of the year. In October, the weather in Port Wentworth is typically warm. Average daily high temperature in October is about 24 degrees above zero. On average, Port Wentworth has 21 sunny, 5 rainy, and 5 partly cloudy days in October. The rains are usually heavy. October as well as April and November is considered the most comfortable time to visit Port Wentworth.