October in Bournemouth is the rainiest month of the year. In October, the weather in Bournemouth is typically warm. Average daily high temperature in October is about 14 degrees above zero. On average, Bournemouth has 14 rainy, 7 partly cloudy, 6 cloudy, and 4 sunny 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 Bournemouth.