About Arenal, Bolivar's Climate & Weather History

Arenal is a city of approximately 5,300 people in Bolivar, Colombia. Located in the America/Bogota time zone at 8.5°N latitude.

In 2025, Arenal recorded an average annual temperature of 82°F. The hottest temperatures reached 99°F in February; the coolest were 72°F in January. Total precipitation for the year was 83 inches, with the wettest month being October.