Saint Marc, in Artibonite, Haiti, is home to roughly 66,200 people in the America/Port-au-Prince time zone at 19.1°N latitude.
In 2025, Saint Marc recorded an average annual temperature of 82°F. The hottest temperatures reached 103°F in July; the coolest were 64°F in December. Total precipitation for the year was 34 inches, with the wettest month being September.
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