July in Arauca is the coldest month of the year. In July, the weather in Arauca is typically warm. Average daily high temperature in July is about 25 degrees above zero. On average, Arauca has 28 rainy, 2 cloudy, and 1 sunny day in July. The rains are usually heavy. July as well as April, May, June, and August is considered the most uncomfortable time to visit Arauca.