About Las Matas de Farfan, San Juan Province's Climate & Weather History

Las Matas de Farfan, in San Juan Province, Dominican Republic, is home to roughly 21,800 people in the America/Santo Domingo time zone at 18.9°N latitude.

In 2025, Las Matas de Farfan recorded an average annual temperature of 77°F. The hottest temperatures reached 98°F in August; the coolest were 57°F in December. Total precipitation for the year was 27 inches, with the wettest month being April.