About Spring Grove, IL

Spring Grove, in Illinois, United States, is home to roughly 5,700 people in the Central Time Zone at 42.4°N latitude.

Spring Grove has a humid continental climate. Average annual temperature is 48°F, with January lows around 16°F and July highs near 81°F. The city averages 35 inches of precipitation per year. The wettest month is typically June; the driest is January.