July in Bayanhongor is the warmest month of the year. In July, the weather in Bayanhongor is typically warm. Average daily high temperature in July is about 21 degrees above zero. On average, Bayanhongor has 16 partly cloudy, 10 sunny, 3 rainy, and 2 cloudy days in July. The rains are usually light. July as well as August is considered the most comfortable time to visit Bayanhongor.