October in Rauma is the cloudiest month of the year. In October, the weather in Rauma is typically cold. Average daily high temperature in October is about 8 degrees above zero. On average, Rauma has 14 rainy, 8 partly cloudy, 7 cloudy, and 2 sunny days in October. The rains are usually heavy. October as well as April, September, November, and December is considered the most uncomfortable time to visit Rauma.