October in Peterhof is the rainiest month of the year. In October, the weather in Peterhof is typically cold. Average daily high temperature in October is about 7 degrees above zero. On average, Peterhof has 20 rainy, 8 cloudy, and 3 sunny days in October. The rains are usually moderate. October as well as April and November is considered the most uncomfortable time to visit Peterhof.