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Chicago Weather and Chicago Climate Information
(Chicago, IL, USA)



The city of Chicago has distinct seasonal differences and two main factors determine the weather and temperatures in Chicago. The city is set in the center of a continental land mass, meaning that the summers are particularly hot and the winters very cold, although the nearby lake tends to moderate the weather extremes and adds a level of humidity. Generally the most pleasant times to visit Chicago are from mid-September to October and from May to early June, when the climate and weather is most pleasant.

Spring in Chicago is relatively short, lasting from the beginning of April to the end of May and temperatures are fairly moderate, with frosts during the night. Summer however is however much hotter and June, July, August and September are the hottest and most sunny months in Chicago. The humidity in the summer is often high, but the cool breezes from Lake Michigan are very refreshing. Evenings can be cool and when attending outdoor events it may be necessary to take a light jacket.




In the winter, the Chicago climate in December, January and February can be particularly cold, with some icy days and harsh winds. This is also the wettest time of the year in Chicago, and snow often also falls in the winter.

With average daily temperatures of around 26°C in the summer, the climate is very pleasant and warm. In general, temperatures in the heart of Chicago tend to be slightly higher than the rest of Chicago, as the heat is absorbed into the large buildings, skyscrapers and concrete. Whatever the weather, there is always plenty to see and do in Chicago.

View the latest Chicago weather forecast

Chicago Weather and Climate Chart - Chicago, IL, USA
The following are the normal daily temperature ranges for Chicago:

	Maximum	Minimum
Chicago weather in January	0°C / 32°F	-8°C / 18°F
Chicago weather in February	3°C / 37°F	-4°C / 25°F
Chicago weather in March	8°C / 46°F	0°C / 32°F
Chicago weather in April	15°C / 59°F	6°C / 43°F
Chicago weather in May	21°C / 70°F	11°C / 52°F
Chicago weather in June	27°C / 81°F	16°C / 61°F
Chicago weather in July	29°C / 84°F	19°C / 66°F
Chicago weather in August	28°C / 82°F	18°C / 64°F
Chicago weather in September	24°C / 75°F	14°C / 57°F
Chicago weather in October	18°C / 64°F	8°C / 46°F
Chicago weather in November	9°C / 48°F	2°C / 36°F
Chicago weather in December	3°C / 37°F	-4°C / 25°F

Chicago Weather Charts - further Chicago climate statistics and charts.

 
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