South River, in New Jersey, United States, is home to roughly 16,400 people in the Eastern Time Zone at 40.4°N latitude.
South River has a humid continental climate. Average annual temperature is 53°F, with January lows around 21°F and July highs near 86°F. The city averages 45 inches of precipitation per year. The wettest month is typically August; the driest is February.
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