August in Chihuahua is the rainiest and the cloudiest month of the year. In August, the weather in Chihuahua is typically hot. Average daily high temperature in August is about 28 degrees above zero. On average, Chihuahua has 13 sunny, 11 rainy, 6 partly cloudy, and 1 cloudy day in August. The rains are usually heavy. August as well as July and September is considered the most uncomfortable time to visit Chihuahua.