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.
In most years, Chicago averages a daily maximum temperature for December that's between 29 and 40 degrees Fahrenheit (-2 to 5 degrees Celsius). The minimum temperature usually falls between 15 and 27 Â°F (-10 to -3 Â°C). The days at Chicago continue to grow colder during December.