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In terms of precipitation, rainfall in Barrancabermeja ranges from 2.0 - 18.9 inches per month. October is typically the wettest month, when rainfall can reach 18.9 in. January is typically the driest time to visit Barrancabermeja when rainfall is around 2.0 in.
If weather is an important factor for your trip to Barrancabermeja, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of October, when temperatures are typically at their lowest (around 82.4 F).