Haddon Heights is a city of approximately 7,500 people in New Jersey, United States. Located in the Eastern Time Zone at 39.9°N latitude.
In 2025, Haddon Heights recorded an average annual temperature of 56°F — about 0.7°F below the 30-year normal of 56°F. The hottest day reached 102°F in June; the coldest was 7°F in January. Total precipitation was 41 inches (drier than usual). Snowfall totaled 5 inches, below the 23-inch average. The wettest month was May.
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