July in Perpignan is the warmest month of the year. In July, the weather in Perpignan is typically warm. Average daily high temperature in July is about 26 degrees above zero. On average, Perpignan has 24 sunny, 6 partly cloudy, and 1 rainy day in July. The rains are usually light. July as well as June, August, and September is considered the most comfortable time to visit Perpignan.