Weather on December 23
Rockford, IL
55 Years of Data
Avg High
33°F
Avg Low
18°F
Warmest
2015
49°F avg
Coldest
1983
-16°F avg
About This Date
December 23rd in Rockford, IL typically brings cold winter weather, with average highs around 33°F and lows near 18°F. Over 55 years of records, the warmest December 23rd was in 2015 (49°F average), while the coldest was 1983 (-16°F) — a 65°F range across recorded history. Precipitation has occurred on 29% of recorded December 23rd dates, with snow falling 22% of the time (heaviest snowfall: 4.5"). The last decade has been 10.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 10.0°F warmer on this date compared to 20-30 years ago.
Planning for December 23rd in Rockford, IL? Bundle up with warm layers and protect extremities from the cold. Check road conditions if traveling, as snow is possible.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 49° | 25° | 37° | — | — |
| 2024 | 39° | 31° | 35° | 0.03" | — |
| 2023 | 48° | 42° | 45° | — | — |
| 2022 | -2° | -10° | -6° | — | — |
| 2021 | 48° | 24° | 36° | — | — |
| 2020 | 62° | 20° | 41° | — | — |
| 2019 | 50° | 32° | 41° | — | — |
| 2018 | 39° | 25° | 32° | — | — |
| 2017 | 31° | 14° | 23° | — | — |
| 2016 | 35° | 22° | 29° | 0.48" | 0.8" |
| 2015warmest | 59° | 39° | 49° | 1.78" | — |
| 2014 | 46° | 35° | 41° | 0.48" | — |
| 2013 | 24° | -8° | 8° | — | 0.1" |
| 2012 | 27° | 14° | 20° | — | — |
| 2011 | 31° | 18° | 24° | — | — |
| 2010 | 28° | 4° | 16° | — | — |
| 2009 | 33° | 31° | 32° | 1.32" | 0.2" |
| 2008 | 33° | 6° | 20° | 0.43" | 4.5" |
| 2007 | 47° | 11° | 29° | 0.53" | 0.8" |
| 2006 | 41° | 29° | 35° | — | — |
| 2005 | 42° | 30° | 36° | — | — |
| 2004 | 15° | 0° | 8° | — | — |
| 2003 | 34° | 23° | 28° | — | — |
| 2002 | 32° | 20° | 26° | — | — |
| 2001 | 29° | 20° | 24° | — | 0.2" |
| 2000 | 19° | -7° | 6° | 0.08" | 1.1" |
| 1999 | 16° | -3° | 7° | 0.3" | 1.3" |
| 1998 | 22° | 4° | 13° | — | — |
| 1997 | 34° | 29° | 31° | — | — |
| 1996 | 39° | 29° | 34° | 0.74" | — |
| 1995 | 29° | 21° | 25° | — | — |
| 1994 | 38° | 34° | 36° | — | — |
| 1993 | 22° | 11° | 16° | — | 0.2" |
| 1992 | 30° | 4° | 17° | 0.03" | 0.7" |
| 1991 | 35° | 17° | 26° | — | — |
| 1990 | 6° | -5° | 1° | — | — |
| 1989 | 1° | -20° | -9° | — | — |
| 1988 | 45° | 33° | 39° | — | — |
| 1987 | 39° | 28° | 34° | — | — |
| 1986 | 32° | 27° | 29° | — | — |
| 1985 | 36° | 22° | 29° | 0.41" | 1.6" |
| 1984 | 42° | 19° | 31° | — | — |
| 1983coldest | -11° | -21° | -16° | — | — |
| 1982 | 56° | 39° | 47° | 0.2" | — |
| 1981 | 29° | 15° | 22° | — | — |
| 1980 | 36° | 23° | 29° | 0.13" | 0.5" |
| 1979 | 55° | 41° | 48° | 0.05" | — |
| 1978 | 37° | 17° | 27° | 0.15" | — |
| 1977 | 33° | 15° | 24° | — | — |
| 1976 | 27° | 1° | 14° | — | — |
| 1975 | 29° | 26° | 27° | — | — |
| 1974 | 35° | 19° | 27° | — | — |
| 1973 | 34° | 11° | 22° | — | — |
| 1972 | 32° | 28° | 30° | — | — |
| 1971 | 45° | 33° | 39° | — | — |
55 years of data from ROCKFORD GTR ROCKFORD AP