Other facts from our historical weather data: When is summer in Arroyo de la Encomienda?The hottest season / summer takes place in June, July, August and September. Does Arroyo de la Encomienda have a dry season? Yes, the months of July and August are very dry. Which is the warmest month in Arroyo de la Encomienda? July has an average maximum temperature of 31°C (88°F) and is the warmest month of the year. Which is the coldest month in Arroyo de la Encomienda? The coldest month is January with an average maximum temperature of 10°C (50°F). Which is the wettest month in Arroyo de la Encomienda? October tops the wettest month list with 64mm (2.5 in) of rainfall. Which is the driest month in Arroyo de la Encomienda? August is the driest month with 15mm (0.6 in) of precipitation. Which is the sunniest month in Arroyo de la Encomienda? July is the sunniest month with an average of 365 hours of sunshine. No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.