With a population of around 13,100, Harwich sits in Massachusetts, United States. The city operates in the Eastern Time Zone.
Expect a humid continental climate in Harwich: average highs of 79°F in midsummer, lows near 26°F in midwinter, and an annual mean of 51°F. Precipitation totals roughly 45 inches per year, concentrated around December, with July typically the driest month.
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