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In terms of precipitation, rainfall in Medellín ranges from 2.0 - 7.9 inches per month. October is typically the wettest month, when rainfall can reach 7.9 in. January is typically the driest time to visit Medellín when rainfall is around 2.0 in.
If weather is an important factor for your trip to Medellín, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of October, when temperatures are typically at their lowest (around 69.8 F).