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US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Chicago, IL 333 West University Drive Romeoville, IL 60446
January, the coldest month of the year, is generally a very cold month. The average temperature is of -3.3 °C (26 °F), with a minimum of -8.9 °C (15.9 °F) and a maximum of 2.4 °C (36.3 °F). On the coldest nights of the month, the temperature usually drops to around -14 °C (7 °F). However, it dropped to -19 °C (-2.2 °F) in January 2001.
Weather reports from September 2020 in Chicago, Illinois, USA with highs and lows. ... Select month: September 2020 Weather in Chicago — Graph ... Average: 66 °F: 66%:
Sep 1, 2020 · The average temperature for the months of June, July and August was 76.7 degrees, besting the average temperature of 76.4 degrees set in 1955, according to Jake Petr, a meteorologist with the ...
Chicago is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water. The average surface water temperature in Chicago is decreasing during December, falling by 5°F, from 45°F to 39°F, over the course of the month.
The average low temperature for Summer 2020 in Chicago was 67.1°F, which was the 3rd warmest average low temperature for the summer season on record behind 1921 (69.7°F) and 1919 (67.8°F) There were 30 days this summer in Chicago that had a high temperature of 90°F or higher, which is the 10th most such days in Chicago's history dating back ...
Chicago is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water. The average surface water temperature in Chicago is rapidly decreasing during September, falling by 8°F, from 71°F to 63°F, over the course of the month.
