About Bayaguana, Monte Plata Province's Climate & Weather History

Bayaguana is a city of approximately 21,100 people in Monte Plata Province, Dominican Republic. Located in the America/Santo Domingo time zone at 18.8°N latitude.

In 2025, Bayaguana recorded an average annual temperature of 79°F. The hottest temperatures reached 96°F in March; the coolest were 61°F in December. Total precipitation for the year was 55 inches, with the wettest month being October.