Isabel Segunda, in Vieques, Puerto Rico, is home to roughly 9,300 people in the America/Puerto Rico time zone at 18.1°N latitude.
In 2025, Isabel Segunda recorded an average annual temperature of 81°F. The hottest temperatures reached 87°F in October; the coolest were 73°F in February. Total precipitation for the year was 40 inches, with the wettest month being September.
View current conditions and forecast for Isabel Segunda · More cities in Vieques