About Santiago de los Caballeros, Santiago Province's Climate & Weather History

Santiago de los Caballeros, in Santiago Province, Dominican Republic, is home to roughly 1.2 million people in the America/Santo Domingo time zone at 19.5°N latitude.

In 2025, Santiago de los Caballeros recorded an average annual temperature of 77°F. The hottest temperatures reached 96°F in September; the coolest were 60°F in December. Total precipitation for the year was 30 inches, with the wettest month being April.