Sassier is a city of approximately 10,000 people in Grand'Anse, Haiti. Located in the America/Port-au-Prince time zone at 18.6°N latitude.
In 2025, Sassier recorded an average annual temperature of 78°F. The hottest temperatures reached 92°F in August; the coolest were 64°F in March. Total precipitation for the year was 43 inches, with the wettest month being October.
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