October in Bognor Regis is the rainiest month of the year. In October, the weather in Bognor Regis is typically warm. Average daily high temperature in October is about 14 degrees above zero. On average, Bognor Regis has 13 rainy, 6 sunny, 6 cloudy, and 6 partly cloudy days in October. The rains are usually heavy. October as well as January, February, March, and April is considered the most uncomfortable time to visit Bognor Regis.