About Carrillos, Alajuela Province's Climate & Weather History

Carrillos is a city of approximately 4,300 people in Alajuela Province, Costa Rica. Located in the America/Costa Rica time zone at 10°N latitude.

In 2025, Carrillos recorded an average annual temperature of 71°F. The hottest temperatures reached 91°F in March; the coolest were 57°F in December. Total precipitation for the year was 149 inches, with the wettest month being October.