July in Ciudad Bolivar is the rainiest and the coldest month of the year. In July, the weather in Ciudad Bolivar is typically hot. Average daily high temperature in July is about 31 degrees above zero. On average, Ciudad Bolivar has 27 rainy, 3 partly cloudy, and 1 sunny day in July. The rains are usually heavy. July as well as May, June, August, and September is considered the most uncomfortable time to visit Ciudad Bolivar.