July in Valemount is the warmest month of the year. In July, the weather in Valemount is typically warm. Average daily high temperature in July is about 15 degrees above zero. On average, Valemount has 15 rainy, 9 sunny, and 7 partly cloudy days in July. The rains are usually moderate. July as well as April, May, June, and September is considered the most uncomfortable time to visit Valemount.