July in Kuujjuaq is the warmest month of the year. In July, the weather in Kuujjuaq is typically warm. Average daily high temperature in July is about 15 degrees above zero. On average, Kuujjuaq has 20 rainy, 7 cloudy, 3 sunny, and 1 partly cloudy day in July. The rains are usually moderate. July as well as January, February, March, and May is considered the most uncomfortable time to visit Kuujjuaq.