October in Kalundborg is the rainiest month of the year. In October, the weather in Kalundborg is typically warm. Average daily high temperature in October is about 12 degrees above zero. On average, Kalundborg has 21 rainy, 4 sunny, 4 cloudy, and 2 partly cloudy days in October. The rains are usually moderate. October as well as January, February, November, and December is considered the most uncomfortable time to visit Kalundborg.