With a population of around 15,500, Setauket East Setauket sits in New York, United States. The city operates in the Eastern Time Zone.
In 2025, Setauket East Setauket recorded an average annual temperature of 54°F — about 0.9°F above the 30-year normal of 53°F. The hottest day reached 101°F in June; the coldest was 11°F in January. Total precipitation was 41 inches (drier than usual). Snowfall totaled 8 inches, below the 32-inch average. The wettest month was May.
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