About Portoviejo, Manabi's Climate & Weather History

Portoviejo, in Manabi, Ecuador, is home to roughly 322,000 people in the America/Guayaquil time zone at 1.1°S latitude.

In 2025, Portoviejo recorded an average annual temperature of 76°F. The hottest temperatures reached 91°F in September; the coolest were 63°F in December. Total precipitation for the year was 66 inches, with the wettest month being March.