July in Popayan is the windiest and the warmest month of the year. In July, the weather in Popayan is typically warm. Average daily high temperature in July is about 22 degrees above zero. On average, Popayan has 22 rainy, 4 partly cloudy, 3 cloudy, and 2 sunny days in July. The rains are usually heavy. July as well as January, February, March, and April is considered the most uncomfortable time to visit Popayan.