October in Tatarskiy Klyuch is the sunniest month of the year. In October, the weather in Tatarskiy Klyuch is typically cold. Average daily high temperature in October is about 3 degrees above zero. On average, Tatarskiy Klyuch has 16 partly cloudy, 11 sunny, 2 rainy, and 2 cloudy days in October. The rains are usually light.