July in Yeropkino-Bol'shak is the warmest month of the year. In July, the weather in Yeropkino-Bol'shak is typically warm. Average daily high temperature in July is about 25 degrees above zero. On average, Yeropkino-Bol'shak has 14 sunny, 11 rainy, 5 partly cloudy, and 1 cloudy day in July. The rains are usually moderate.