July in Sergiyev Posad-6 is the sunniest and the warmest month of the year. In July, the weather in Sergiyev Posad-6 is typically warm. Average daily high temperature in July is about 23 degrees above zero. On average, Sergiyev Posad-6 has 14 rainy, 13 sunny, and 4 partly cloudy days in July. The rains are usually heavy.