July in Sergeyevka is the rainiest, the cloudiest, and the warmest month of the year. In July, the weather in Sergeyevka is typically warm. Average daily high temperature in July is about 26 degrees above zero. On average, Sergeyevka has 15 rainy, 7 partly cloudy, 6 sunny, and 3 cloudy days in July. The rains are usually heavy.