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.
Guide to Chicago weather in April. The average maximum daytime temperature in Chicago in April is a comfortable 15Â°C (59Â°F). The average night-time temperature is usually a cold 3Â°C (37Â°F). There are usually 7 hours of bright sunshine each day, which represents 55% of the 13 hours of daylight.