About Monte Llano, Puerto Plata's Climate & Weather History

With a population of around 19,000, Monte Llano sits in Puerto Plata, Dominican Republic. The city operates in the America/Santo Domingo time zone.

In 2025, Monte Llano recorded an average annual temperature of 79°F. The hottest temperatures reached 95°F in August; the coolest were 65°F in January. Total precipitation for the year was 38 inches, with the wettest month being April.