Illinois State Water Survey Illinois State Climatologist

February – 7th Coldest on Record for Illinois

The statewide average temperature for February was 18.6 degrees. That is 12.3 degrees below the 1981-2010 average and the 7th coldest February on record. By comparison, February 2014 was 9th coldest at 19.5 degrees. Here are some amazing statistics for Chicago. February was tied with 1875 for the coldest on record, according to the Chicago National […]

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February On Track To Be Among The Coldest on Record for Illinois

February 2015 is on track to being one of the coldest February’s on record for Illinois. Data through February 24 puts the statewide average at 19.4° F. This is 11.5°F below average and slightly colder than last February’s 19.4°F. Before February, this was shaping up to be a mild winter with near to above-average temperatures […]

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2014 – 4th Coldest Year on Record for Illinois

Annual temperature in Illinois Based on preliminary numbers, 2014 was the 4th coldest year on record for Illinois. The statewide average temperature was 49.4° F and 2.9° F below average. It was tied with 1912 and 1979 for fourth place. The statewide records go back to 1895. Here is the breakdown for the four coldest: 1917: […]

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