July in Moose Jaw is the sunniest and the warmest month of the year. In July, the weather in Moose Jaw is typically warm. Average daily high temperature in July is about 24 degrees above zero. On average, Moose Jaw has 19 sunny, 6 partly cloudy, 5 rainy, and 1 cloudy day in July. The rains are usually light. July as well as August and September is considered the most comfortable time to visit Moose Jaw.