Rio San Juan is a city of approximately 9,000 people in Maria Trinidad Sanchez, Dominican Republic. Located in the America/Santo Domingo time zone at 19.6°N latitude.
In 2025, Rio San Juan averaged an annual temperature of 79°F, with hottest temperatures reaching 94°F in October and lowest around 65°F in January. The city received approximately 44 inches of precipitation during the year.
View historical weather for Rio San Juan · More cities in Maria Trinidad Sanchez