About Browns Mills, NJ's Climate & Weather History

Browns Mills is a city of approximately 11,200 people in New Jersey, United States. Located in the Eastern Time Zone at 40°N latitude.

In 2025, Browns Mills recorded an average annual temperature of 55°F — about 1.8°F below the 30-year normal of 56°F. The hottest day reached 99°F in June; the coldest was 6°F in January. Total precipitation was 39 inches (drier than usual). The wettest month was May.