In October, the weather in Kirkkonummi is typically cold. Average daily high temperature in October is about 8 degrees above zero. On average, Kirkkonummi has 11 rainy, 9 partly cloudy, 7 cloudy, and 4 sunny days in October. The rains are usually moderate. October as well as March, April, November, and December is considered the most uncomfortable time to visit Kirkkonummi.