Antioch Climate Graph - Illinois Climate Chart
Climate summaryWhat is the average weather in Antioch, Illinois?
Antioch experiences a humid continental climate, marked by very strong seasonal temperature swings. Summers are warm, while winters are cold. The area is fairly wet overall, with precipitation spread relatively evenly throughout the year, though summer tends to be the wettest season.
Based on climate normals · 1991–2020 Antioch weather averages