About San Carlos, Nacional's Climate & Weather History

San Carlos is a city of approximately 13,500 people in Nacional, Dominican Republic. Located in the America/Santo Domingo time zone at 18.5°N latitude.

In 2025, San Carlos recorded an average annual temperature of 78°F. The hottest temperatures reached 92°F in August; the coolest were 62°F in December. Total precipitation for the year was 60 inches, with the wettest month being October.