October in Hamar is the windiest month of the year. In October, the weather in Hamar is typically cold. Average daily high temperature in October is about 6 degrees above zero. On average, Hamar has 12 rainy, 7 cloudy, 6 sunny, and 6 partly cloudy days in October. The rains are usually moderate. October as well as March, April, May, and July is considered the most uncomfortable time to visit Hamar.