Willow Grove is a city of approximately 15,700 people in Pennsylvania, United States. Located in the Eastern Time Zone at 40.1°N latitude.
Willow Grove has a humid continental climate. Average annual temperature is 56°F, with January lows around 27°F and July highs near 88°F. The city averages 45 inches of precipitation per year. The wettest month is typically September; the driest is February.
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