Symptoms of an allergic reaction which may require medical intervention include: 1  Swelling or angioedema of the face, throat, tongue, lips, eyes, hands, feet, ankles, or lower legs. 2  Hoarseness. 3  Difficulty breathing or swallowing. 4  Rash or hives. 5  Abdominal pain.
Averages for Chicago in December. December in Chicago is winter and this means an extremely cold climate that can be subject to icy winds and snow. Make sure you layer up your clothes with a warm coat over the top, as winter in Chicago can be brutal. If you're not one for cold weather, Chicago is a city to be avoided in January! Read more.
2.5. The highest average temperature in Chicago is July at 75.1 degrees. The coldest average temperature in Chicago is February at 27.1 degrees. The most monthly precipitation in Chicago occurs in August with 4.2 inches. The Chicago weather information is based on the average of the previous 3-7 years of data. Loading...