Taking the local weather in El Carmen de Atrato into account can help you maximise your time at the pool during your trip. The hottest months are usually August and September, with an average temperature of 18°C, while the coldest months are July and August, with an average of 18°C. The rainiest months in El Carmen de Atrato are May, April, October and November, with each month seeing an average of 533 mm of rainfall.