July weather forecast in Nantes

July in Nantes is the warmest month of the year. In July, the weather in Nantes is typically warm. Average daily high temperature in July is about 22 degrees above zero. On average, Nantes has 13 sunny, 12 partly cloudy, and 6 rainy days in July. The rains are usually light. July as well as August and September is considered the most comfortable time to visit Nantes.