About Hackettstown, NJ

Hackettstown is a city of approximately 9,600 people in New Jersey, United States. Located in the Eastern Time Zone at 40.9°N latitude.

Expect a humid continental climate in Hackettstown: average highs of 86°F in midsummer, lows near 21°F in midwinter, and an annual mean of 53°F. Precipitation totals roughly 45 inches per year, concentrated around August, with February typically the driest month.