With a population of around 9,100, Lake Hopatcong sits in New Jersey, United States. The city operates in the Eastern Time Zone.
Expect a humid continental climate in Lake Hopatcong: 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.
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