July in Zheleznogorsk is the warmest month of the year. In July, the weather in Zheleznogorsk is typically warm. Average daily high temperature in July is about 23 degrees above zero. On average, Zheleznogorsk has 16 partly cloudy, 9 sunny, 5 rainy, and 1 cloudy day in July. The rains are usually light. July as well as June is considered the most comfortable time to visit Zheleznogorsk.