October in Plettenberg Bay is the windiest month of the year. In October, the weather in Plettenberg Bay is typically warm. Average daily high temperature in October is about 19 degrees above zero. On average, Plettenberg Bay has 11 sunny, 10 rainy, 9 partly cloudy, and 1 cloudy day in October. The rains are usually moderate. October as well as June, July, August, and September is considered the most uncomfortable time to visit Plettenberg Bay.