About Mount Laurel, NJ's Climate & Weather History

With a population of around 41,900, Mount Laurel sits in New Jersey, United States. The city operates in the Eastern Time Zone.

In 2025, Mount Laurel recorded an average annual temperature of 55°F — about 1.2°F below the 30-year normal of 56°F. The hottest day reached 100°F in June; the coldest was 6°F in January. Total precipitation was 38 inches (drier than usual). The wettest month was May.