July in Hradec Králové is the warmest month of the year. In July, the weather in Hradec Králové is typically warm. Average daily high temperature in July is about 23 degrees above zero. On average, Hradec Králové has 19 sunny, 9 partly cloudy, and 3 rainy days in July. The rains are usually light. July as well as August is considered the most comfortable time to visit Hradec Králové.