October in Barbados (International Airport) is the rainiest month of the year. In October, the weather in Barbados (International Airport) is typically hot. Average daily high temperature in October is about 28 degrees above zero. On average, Barbados (International Airport) has 20 rainy, 10 sunny, and 1 partly 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 Barbados (International Airport).