In terms of precipitation, rainfall in Arauca ranges from 0.8 - 11.4 inches per month. June is typically the wettest month, when rainfall can reach 11.4 in. February is typically the driest time to visit Arauca when rainfall is around 0.8 in.
If weather is an important factor for your trip to Arauca, 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 82.4 F. Travelers looking to avoid the cold should look outside of May, when temperatures are typically at their lowest (around 77.0 F).