In August, the weather in Barrancabermeja is typically hot. Average daily high temperature in August is about 32 degrees above zero. On average, Barrancabermeja has 23 rainy, 5 cloudy, and 3 sunny days in August. The rains are usually moderate. August as well as March, April, May, and June is considered the most uncomfortable time to visit Barrancabermeja.