About Mount Kisco, NY's Climate & Weather History

Mount Kisco, in New York, United States, is home to roughly 11,100 people in the Eastern Time Zone at 41.2°N latitude.

In 2025, Mount Kisco recorded an average annual temperature of 52°F — about 2.0°F above the 30-year normal of 50°F. The hottest day reached 96°F in June; the coldest was 0°F in January. Total precipitation was 43 inches (drier than usual). The wettest month was May.