In August, the weather in Barranquilla is typically hot. Average daily high temperature in August is about 31 degrees above zero. On average, Barranquilla has 19 rainy, 8 cloudy, 3 sunny, and 1 partly cloudy day in August. The rains are usually heavy. August as well as May, June, July, and September is considered the most uncomfortable time to visit Barranquilla.