About Hightstown, NJ's Climate & Weather History

With a population of around 5,500, Hightstown sits in New Jersey, United States. The city operates in the Eastern Time Zone.

In 2025, Hightstown recorded an average annual temperature of 55°F — right at the 30-year normal of 54°F. The hottest day reached 102°F in June; the coldest was 4°F in January. Total precipitation was 40 inches (drier than usual). Snowfall totaled 6 inches, below the 27-inch average. The wettest month was May.