About Fairview Heights, IL

Fairview Heights, in Illinois, United States, is home to roughly 16,800 people in the Central Time Zone at 38.6°N latitude.

Fairview Heights has a humid continental climate. Average annual temperature is 57°F, with January lows around 24°F and July highs near 89°F. The city averages 41 inches of precipitation per year. The wettest month is typically May; the driest is February.