With a population of around 19,900, Mariners Harbor sits in New York, United States. The city operates in the Eastern Time Zone.
In 2025, Mariners Harbor recorded an average annual temperature of 55°F — about 0.9°F below the 30-year normal of 56°F. The hottest day reached 103°F in June; the coldest was 3°F in January. Total precipitation was 43 inches (drier than usual). Snowfall totaled 7 inches, below the 32-inch average. The wettest month was May.
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