If you are looking for fresh snow by Christmas morning or are curious about potential travel disruptions, the best chances for at least 1" of new snowfall early this week exist across the mountainous West, Great Lakes, and Northeast. Otherwise, temperatures this last full week of December will average above normal for much of the lower 48 states. Read More >
Overview & Graphics
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| Average temperatures were roughly 8-9 degrees above normal this past December, making it one of the top five warmest Decembers on record for Chicago and Rockford. A number of weather systems brought above average rainfall to the area, but with the mild temperatures, monthly snowfall for the region was below normal. |
CoCoRaHS Observer Monthly Precipitation Summary
CoCoRaHS Observer Monthly Snowfall Summary
Chicago and Rockford Monthly Summary
Public Information Statement National Weather Service Chicago IL 430 PM CST Mon Jan 1 2024 /530 PM EST Mon Jan 1 2024/ ...A Look Back at the Climate for the Month of December 2023 for Chicago and Rockford... At Chicago, the average high temperature was 44.2 degrees, which is 7.6 degrees above normal. The average low temperature was 33.8 degrees, which is 9.4 degrees above normal. The average temperature for the month was 39.0 degrees, which is 8.5 degrees above normal. 2.97 inches of liquid precipitation were recorded, which is 0.86 inches above normal. 1.2 inches of snow were recorded, which is 6.4 inches below normal. The following daily records were set for Chicago during the month of December 2023: * Record highest minimum temperature of 50 degrees on the 25th. The following top ten monthly records were set for Chicago during the month of December 2023: ** Tied 2015 for 4th warmest December on record since 1872 with a mean average temperature of 39.0 degrees. The warmest December happened in 1877 at 43.4 degrees. At Rockford, the average high temperature was 42.3 degrees, which is 8.0 degrees above normal. The average low temperature was 30.4 degrees, which is 10.2 degrees above normal. The average temperature for the month was 36.3 degrees, which is 9.0 degrees above normal. 3.13 inches of liquid precipitation were recorded, which is 1.20 inches above normal. 2.8 inches of snow were recorded, which is 6.6 inches below normal. The following daily records were set for Rockford during the month of December 2023: * Record highest minimum temperature of 42 degrees on the 8th. * Tied record highest minimum temperature of 40 degrees on the 16th. * Record highest minimum temperature of 47 degrees on the 24th. * Record highest minimum temperature of 45 degrees on the 25th. The following top ten monthly records were set for Rockford during the month of December 2023: ** 2nd warmest December on record since 1905 with a mean average temperature of 36.3 degrees. The warmest December happened in 2015 at 37.7 degrees. $$
Latest Monthly Climate Report: Chicago | Rockford
Events
There were no notable weather events in the area this past December.
NWS Chicago Science and Past Events Page
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