Saint-Marc, Haiti experiences a warm and relatively consistent climate year-round. Temperatures range from the mid-70s to mid-90s Fahrenheit throughout the year, with slight variations in temperature averages across each month. The summer months, June to August, are the hottest, with temperatures often reaching over 95°F (36°C) on some days. In contrast, the cooler winter months, December and January, see temperatures dip slightly but still remain mild, rarely dropping below 70°F (20°C). Overall, Saint-Marc's climate is characterized by warm temperatures and high humidity levels throughout the year.