About Saint Croix, Saint Croix Island's Climate & Weather History

Saint Croix, in Saint Croix Island, VI, is home to roughly 50,600 people in the America/St Thomas time zone at 17.7°N latitude.

In 2025, Saint Croix recorded an average annual temperature of 81°F. The hottest temperatures reached 91°F in October; the coolest were 72°F in November. Total precipitation for the year was 30 inches, with the wettest month being May.