Weather on December 27
Rockford, IL
55 Years of Data
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.
| 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" | — |
Rockford, IL Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Rockford, IL Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Rockford, IL Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Rockford, IL
Rockford, IL has no months that meet our "pleasant" threshold — every season has tradeoffs.