Illinois State Water Survey Illinois State Climatologist

July: Cool and Wet for Illinois

Based on preliminary data, July was both cooler and wetter than average for Illinois. Temperature The statewide average temperature in July was 74.4 degrees, 0.9 degrees below average. That is not nearly as cool as our record-setting July 2014 when the average temperature was only 70.3 degrees (5.0 degrees below average). On the extreme other […]

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January 2015 in Illinois – Cool and Dry

January 2015 in Illinois was cooler and drier than average. The statewide temperature was 25.4 degrees, 1 degree below average and the 53rd coldest on record. However, it was not nearly as cold as last January when the average temperature was 19.3 degrees and ranked as the 16th coldest on record. The statewide average precipitation […]

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