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