July in Kuybyshevskiy Zaton is the sunniest and the warmest month of the year. In July, the weather in Kuybyshevskiy Zaton is typically warm. Average daily high temperature in July is about 25 degrees above zero. On average, Kuybyshevskiy Zaton has 15 sunny, 11 rainy, 4 partly cloudy, and 1 cloudy day in July. The rains are usually moderate.