July weather forecast in Yellowknife

July in Yellowknife is the warmest month of the year. In July, the weather in Yellowknife is typically warm. Average daily high temperature in July is about 20 degrees above zero. On average, Yellowknife has 17 partly cloudy, 8 sunny, and 6 rainy days in July. The rains are usually light. July as well as June is considered the most comfortable time to visit Yellowknife.