Waterloo is a city of approximately 5,000 people in New York, United States. Located in the Eastern Time Zone at 42.9°N latitude.
In 2025, Waterloo recorded an average annual temperature of 49°F — right at the 30-year normal of 49°F. The hottest day reached 90°F in July; the coldest was -4°F in January. Total precipitation was 41 inches (wetter than usual). The wettest month was May.
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