Weather on December 9
Chicago, IL
55 Years of Data
Avg High
39°F
Avg Low
26°F
Warmest
1987
49°F avg
Coldest
1995
2°F avg
About This Date
December 9th in Chicago, IL typically brings cold winter weather, with average highs around 39°F and lows near 26°F. Over 55 years of records, the warmest December 9th was in 1987 (49°F average), while the coldest was 1995 (2°F) — a 47°F range across recorded history. Precipitation has occurred on 20% of recorded December 9th dates, with snow falling 2% of the time (heaviest snowfall: 4"). The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for December 9th in Chicago, IL? Bundle up with warm layers and protect extremities from the cold.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 38° | 22° | 30° | — | — |
| 2024 | 54° | 44° | 49° | — | — |
| 2023 | 56° | 35° | 45° | — | — |
| 2022 | 38° | 35° | 36° | — | — |
| 2021 | 46° | 29° | 37° | — | — |
| 2020 | 52° | 34° | 43° | — | — |
| 2019 | 49° | 26° | 37° | — | — |
| 2018 | 32° | 23° | 28° | — | — |
| 2017 | 31° | 23° | 27° | — | — |
| 2016 | 27° | 21° | 24° | — | — |
| 2015 | 54° | 44° | 49° | — | — |
| 2014 | 38° | 32° | 35° | — | — |
| 2013 | 26° | 5° | 16° | — | — |
| 2012 | 42° | 36° | 39° | — | — |
| 2011 | 34° | 22° | 28° | — | — |
| 2010 | 32° | 20° | 26° | — | — |
| 2009 | 37° | 15° | 26° | — | — |
| 2008 | 44° | 31° | 37° | — | — |
| 2007 | 35° | 31° | 33° | — | — |
| 2006 | 38° | 24° | 31° | — | — |
| 2005 | 30° | 13° | 21° | — | — |
| 2004 | 52° | 39° | 45° | — | — |
| 2003 | 50° | 41° | 46° | 0.94" | — |
| 2002 | 31° | 15° | 23° | — | — |
| 2001 | 42° | 26° | 34° | — | — |
| 2000 | 31° | 11° | 21° | — | — |
| 1999 | 53° | 42° | 48° | 0.1" | — |
| 1998 | 49° | 32° | 40° | — | — |
| 1997 | 35° | 30° | 33° | — | — |
| 1996 | 32° | 27° | 29° | — | — |
| 1995coldest | 6° | -2° | 2° | — | — |
| 1994 | 34° | 29° | 31° | 0.23" | — |
| 1993 | 43° | 31° | 37° | — | — |
| 1992 | 33° | 25° | 29° | — | — |
| 1991 | 61° | 34° | 47° | 0.05" | — |
| 1990 | 52° | 36° | 44° | — | — |
| 1989 | 36° | 21° | 28° | — | — |
| 1988 | 36° | 19° | 27° | — | — |
| 1987warmest | 55° | 42° | 49° | 0.58" | — |
| 1986 | 42° | 35° | 39° | 0.1" | — |
| 1985 | 41° | 26° | 34° | — | — |
| 1984 | 47° | 31° | 39° | — | — |
| 1983 | 34° | 22° | 28° | 0.51" | 4" |
| 1982 | 32° | 16° | 24° | 0.13" | — |
| 1981 | 34° | 25° | 29° | — | — |
| 1980 | 41° | 32° | 37° | 0.1" | — |
| 1979 | 43° | 27° | 35° | — | — |
| 1978 | 18° | 7° | 12° | — | — |
| 1977 | 26° | -4° | 11° | 0.64" | — |
| 1976 | 31° | 11° | 21° | — | — |
| 1975 | 36° | 29° | 32° | — | — |
| 1974 | 26° | 16° | 21° | — | — |
| 1973 | 35° | 23° | 29° | — | — |
| 1972 | 25° | 18° | 21° | — | — |
| 1971 | 48° | 41° | 45° | 0.33" | — |
55 years of data from CHICAGO GRANT PARK