About Sugar Grove, IL

Sugar Grove is a city of approximately 9,500 people in Illinois, United States. Located in the Central Time Zone at 41.8°N latitude.

Sugar Grove has a humid continental climate. Average annual temperature is 49°F, with January lows around 15°F and July highs near 84°F. The city averages 34 inches of precipitation per year. The wettest month is typically May; the driest is January.