In terms of precipitation, rainfall in Leticia ranges from 5.4 - 14.5 inches per month. January is typically the wettest month, when rainfall can reach 14.5 in. July is typically the driest time to visit Leticia when rainfall is around 5.4 in.
If weather is an important factor for your trip to Leticia, 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 78.8 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 75.2 F).