Arenillas is a city of approximately 26,000 people in El Oro, Ecuador. Located in the America/Guayaquil time zone at 3.6°S latitude.
In 2025, Arenillas recorded an average annual temperature of 76°F. The hottest temperatures reached 91°F in February; the coolest were 65°F in December. Total precipitation for the year was 78 inches, with the wettest month being April.
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