About Middle Island, NY's Climate & Weather History

Middle Island, in New York, United States, is home to roughly 10,500 people in the Eastern Time Zone at 40.9°N latitude.

In 2025, Middle Island recorded an average annual temperature of 53°F — about 0.8°F above the 30-year normal of 52°F. The hottest day reached 104°F in June; the coldest was 7°F in January. Total precipitation was 41 inches (drier than usual). The wettest month was May.