July in Courchevel is the warmest month of the year. In July, the weather in Courchevel is typically warm. Average daily high temperature in July is about 18 degrees above zero. On average, Courchevel has 17 rainy, 8 sunny, and 6 partly cloudy days in July. The rains are usually heavy. July as well as April, May, June, and August is considered the most uncomfortable time to visit Courchevel.