Weather on December 27
Rockford, IL
55 Years of Data
Avg High
33°F
Avg Low
19°F
Warmest
2024
47°F avg
Coldest
2017
-2°F avg
About This Date
December 27th in Rockford, IL typically brings cold winter weather, with average highs around 33°F and lows near 19°F. Over 55 years of records, the warmest December 27th was in 2024 (47°F average), while the coldest was 2017 (-2°F) — a 49°F range across recorded history. Precipitation has occurred on 35% of recorded December 27th dates, with snow falling 11% of the time. The last decade has been 7.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.8°F warmer on this date compared to 20-30 years ago.
Planning for December 27th in Rockford, IL? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Warming Trend
1.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 44° | 37° | 41° | 0.03" | — |
| 2024warmest | 50° | 45° | 47° | 1.12" | — |
| 2023 | 43° | 31° | 37° | — | — |
| 2022 | 23° | -1° | 11° | — | — |
| 2021 | 43° | 28° | 36° | 0.69" | — |
| 2020 | 46° | 26° | 36° | 0.13" | 0.6" |
| 2019 | 38° | 25° | 32° | — | — |
| 2018 | 51° | 37° | 44° | 2.08" | — |
| 2017coldest | 5° | -9° | -2° | — | — |
| 2016 | 30° | 19° | 25° | — | — |
| 2015 | 38° | 32° | 35° | 0.03" | — |
| 2014 | 49° | 28° | 39° | 0.05" | — |
| 2013 | 40° | 15° | 28° | — | — |
| 2012 | 30° | 24° | 27° | — | — |
| 2011 | 41° | 24° | 33° | — | — |
| 2010 | 22° | 8° | 15° | — | — |
| 2009 | 19° | 13° | 16° | 0.08" | 0.4" |
| 2008 | 49° | 29° | 39° | 3.78" | — |
| 2007 | 35° | 28° | 32° | 0.15" | 0.1" |
| 2006 | 38° | 28° | 33° | — | — |
| 2005 | 36° | 32° | 34° | — | — |
| 2004 | 27° | 5° | 16° | — | — |
| 2003 | 51° | 32° | 42° | 0.03" | — |
| 2002 | 38° | 18° | 28° | — | — |
| 2001 | 28° | 18° | 23° | — | — |
| 2000 | 15° | -3° | 6° | — | — |
| 1999 | 22° | 3° | 12° | 0.1" | 0.5" |
| 1998 | 41° | 21° | 31° | — | — |
| 1997 | 22° | 8° | 15° | — | — |
| 1996 | 33° | 10° | 22° | 0.03" | — |
| 1995 | 26° | 10° | 18° | — | — |
| 1994 | 50° | 28° | 39° | — | — |
| 1993 | 15° | 5° | 10° | — | — |
| 1992 | 41° | 19° | 30° | — | — |
| 1991 | 38° | 31° | 34° | — | — |
| 1990 | 26° | 6° | 16° | — | — |
| 1989 | 30° | 14° | 22° | 0.08" | 0.5" |
| 1988 | 38° | 16° | 27° | 1.32" | — |
| 1987 | 34° | 19° | 26° | 0.23" | — |
| 1986 | 36° | 25° | 30° | — | — |
| 1985 | 21° | -2° | 10° | — | — |
| 1984 | 43° | 33° | 38° | — | — |
| 1983 | 20° | 15° | 17° | 0.08" | 0.3" |
| 1982 | 54° | 36° | 45° | 0.41" | — |
| 1981 | 29° | 20° | 24° | — | — |
| 1980 | 28° | 16° | 22° | — | — |
| 1979 | 34° | 22° | 28° | — | — |
| 1978 | 18° | -1° | 9° | — | — |
| 1977 | 5° | -7° | -1° | — | — |
| 1976 | 35° | 10° | 23° | — | — |
| 1975 | 23° | 21° | 22° | — | — |
| 1974 | 33° | 29° | 31° | — | — |
| 1973 | 34° | 24° | 29° | — | — |
| 1972 | 39° | 13° | 26° | — | — |
| 1971 | 36° | 14° | 25° | 0.25" | — |
55 years of data from ROCKFORD GTR ROCKFORD AP