Weather on December 6
Joliet, IL
55 Years of Data
Avg High
39°F
Avg Low
23°F
Warmest
1998
59°F avg
Coldest
2005
10°F avg
About This Date
December 6th in Joliet, IL typically brings cold winter weather, with average highs around 39°F and lows near 23°F. Over 54 years of records, the warmest December 6th was in 1998 (59°F average), while the coldest was 2005 (10°F) — a 49°F range across recorded history. Precipitation has occurred on 31% of recorded December 6th dates, with snow falling 2% of the time. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for December 6th in Joliet, IL? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 35° | 27° | 31° | — | — |
| 2024 | 27° | 12° | 19° | — | — |
| 2023 | 39° | 30° | 35° | — | — |
| 2022 | 44° | 26° | 35° | — | — |
| 2021 | 37° | 31° | 34° | 0.64" | — |
| 2020 | 40° | 25° | 32° | — | — |
| 2019 | 47° | 26° | 36° | — | — |
| 2018 | 33° | 24° | 29° | — | — |
| 2017 | 34° | 27° | 30° | — | — |
| 2016 | 33° | 29° | 31° | — | — |
| 2015 | 41° | 28° | 35° | — | — |
| 2014 | 40° | 32° | 36° | — | — |
| 2013 | 26° | 17° | 22° | — | — |
| 2012 | 42° | 28° | 35° | — | — |
| 2011 | 40° | 32° | 36° | — | — |
| 2010 | 25° | 7° | 16° | — | — |
| 2009 | 34° | 22° | 28° | — | — |
| 2008 | 29° | 6° | 17° | — | — |
| 2007 | 29° | 5° | 17° | — | — |
| 2006 | 36° | 7° | 21° | — | — |
| 2005coldest | 16° | 4° | 10° | — | — |
| 2004 | 48° | 31° | 39° | 0.53" | — |
| 2003 | 42° | 28° | 35° | 0.25" | 0.1" |
| 2002 | 26° | 11° | 18° | — | — |
| 2001 | 68° | 40° | 54° | 0.1" | — |
| 2000 | 19° | 12° | 16° | — | — |
| 1999 | 44° | 27° | 35° | 1.07" | — |
| 1998warmest | 61° | 57° | 59° | — | — |
| 1997 | 28° | 22° | 25° | — | — |
| 1996 | 34° | 31° | 32° | 0.3" | — |
| 1995 | 44° | 23° | 34° | — | — |
| 1994 | 49° | 37° | 43° | 0.3" | — |
| 1993 | 42° | 35° | 39° | 0.3" | — |
| 1992 | 28° | 13° | 20° | — | — |
| 1991 | 58° | 1° | 29° | 0.03" | — |
| 1990 | 42° | 18° | 30° | — | — |
| 1989 | 44° | 25° | 34° | — | — |
| 1988 | 46° | 30° | 38° | — | — |
| 1987 | 37° | 21° | 29° | — | — |
| 1986 | 35° | 16° | 25° | — | — |
| 1985 | 35° | 20° | 27° | 0.1" | — |
| 1984 | 30° | 9° | 19° | 0.05" | — |
| 1983 | 39° | 34° | 36° | 0.56" | — |
| 1982 | 62° | 33° | 48° | 0.69" | — |
| 1981 | 45° | 24° | 34° | — | — |
| 1980 | 57° | 37° | 47° | — | — |
| 1979 | 55° | 30° | 43° | — | — |
| 1978 | 37° | 21° | 29° | 0.05" | — |
| 1977 | 36° | -4° | 16° | 0.3" | — |
| 1976 | 30° | 13° | 21° | — | — |
| 1975 | 63° | 33° | 48° | — | — |
| 1973 | 30° | 21° | 26° | 0.2" | — |
| 1972 | 31° | 9° | 20° | — | — |
| 1971 | 42° | 37° | 40° | 0.89" | — |
54 years of data from JOLIET