Cold Spring Harbor is a city of approximately 5,100 people in New York, United States. Located in the Eastern Time Zone at 40.9°N latitude.
In 2025, Cold Spring Harbor recorded an average annual temperature of 54°F — right at the 30-year normal of 54°F. The hottest day reached 102°F in June; the coldest was 10°F in January. Total precipitation was 44 inches (wetter than usual). The wettest month was May.
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