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Daily, Monthly, and Annual Climate Normals for Chicago, IL. This page houses the latest 30-year climate normals (1991-2020) for Chicago.
Average Temperature in Chicago. The warm season lasts for 3.6 months, from June 2 to September 19, with an average daily high temperature above 73°F. The hottest month of the year in Chicago is July, with an average high of 82°F and low of 70°F.
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Mar 1, 2024 · Discover the average temperature in Chicago and gain insights into the city's weather and climate. Learn what you need to know about Chicago's weather patterns and seasonal variations.
Winter temperatures are generally cold. However, like much of the northern USA, can vary tremendously within the span of one week. The daily average high temperature in January at O'Hare is 31.0 °F (−0.6 °C) with the average daily low of 16.5 °F (−8.6 °C) and the daily mean of 23.6 °F (−4.7 °C).
Although winds can be strong in Chicago, the nickname of "The Windy City" is a misnomer as the average wind speed is not greater than in many other parts of the United States. Of the 262 major weather reporting stations in the United States, 27% or 72 stations average higher annual wind speeds than Chicago, which averages 10.3 mph.
Jul 12, 2022 · We asked Chicago weather historian Frank Wachowski to check the numbers, and he informed us that the city’s current normal annual temperature based on the 30-year 1991-2020 period is 51.2 degrees.
Chicago weather averages and climate Chicago, Illinois. Monthly temperature, precipitation and hours of sunshine. A climate graph showing rainfall, temperatures and normals.
