Weather on December 21
Racine, WI
55 Years of Data
Avg High
33°F
Avg Low
19°F
Warmest
2015
43°F avg
Coldest
1989
-6°F avg
About This Date
December 21st in Racine, WI typically brings cold winter weather, with average highs around 33°F and lows near 19°F. Over 55 years of records, the warmest December 21st was in 2015 (43°F average), while the coldest was 1989 (-6°F) — a 49°F range across recorded history. Precipitation has occurred on 33% of recorded December 21st dates, with snow falling 16% of the time (heaviest snowfall: 2.5"). The last decade has been 6.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.4°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Racine, WI? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 41° | 13° | 27° | — | — |
| 2024 | 31° | 10° | 20° | — | — |
| 2023 | 40° | 33° | 36° | — | — |
| 2022 | 26° | 4° | 15° | — | — |
| 2021 | 39° | 21° | 30° | — | — |
| 2020 | 39° | 30° | 35° | — | — |
| 2019 | 35° | 21° | 28° | — | — |
| 2018 | 43° | 32° | 37° | 0.15" | — |
| 2017 | 36° | 25° | 30° | — | — |
| 2016 | 28° | 22° | 25° | — | — |
| 2015warmest | 50° | 35° | 43° | 0.3" | — |
| 2014 | 37° | 26° | 32° | — | — |
| 2013 | 33° | 28° | 31° | — | — |
| 2012 | 40° | 25° | 32° | 2.95" | — |
| 2011 | 39° | 35° | 37° | 0.1" | — |
| 2010 | 32° | 16° | 24° | 0.3" | 1" |
| 2009 | 31° | 25° | 28° | — | — |
| 2008 | 27° | -7° | 10° | 0.28" | 2" |
| 2007 | 39° | 35° | 37° | 0.15" | — |
| 2006 | 41° | 30° | 36° | 0.64" | — |
| 2005 | 20° | 7° | 13° | — | — |
| 2004 | 29° | 14° | 21° | 0.08" | 0.5" |
| 2003 | 36° | 13° | 24° | — | — |
| 2002 | 34° | 29° | 31° | — | — |
| 2001 | 38° | 25° | 31° | — | — |
| 2000 | 22° | 5° | 13° | 0.3" | 2" |
| 1999 | 19° | 0° | 10° | — | — |
| 1998 | 36° | 25° | 30° | 0.08" | — |
| 1997 | 35° | 26° | 31° | — | — |
| 1996 | 27° | 3° | 15° | — | — |
| 1995 | 25° | 17° | 21° | — | — |
| 1994 | 40° | 35° | 37° | — | — |
| 1993 | 25° | 26° | 25° | — | — |
| 1992 | 25° | 11° | 18° | — | — |
| 1991 | 34° | 27° | 30° | 0.71" | 0.5" |
| 1990 | 46° | 32° | 39° | — | — |
| 1989coldest | 3° | -16° | -6° | — | — |
| 1988 | 54° | 28° | 41° | — | — |
| 1987 | 36° | 25° | 30° | — | — |
| 1986 | 36° | 26° | 31° | — | — |
| 1985 | 18° | -2° | 8° | — | — |
| 1984 | 36° | 21° | 28° | 0.05" | — |
| 1983 | 27° | 13° | 20° | 0.15" | 2.5" |
| 1982 | 33° | 22° | 27° | — | — |
| 1981 | 30° | 7° | 18° | 0.08" | 1.5" |
| 1980 | 15° | 1° | 8° | — | — |
| 1979 | 41° | 35° | 38° | — | — |
| 1978 | 36° | 18° | 27° | 0.33" | — |
| 1977 | 37° | 24° | 31° | 0.71" | 2" |
| 1976 | 23° | 2° | 12° | — | — |
| 1975 | 34° | 14° | 24° | — | — |
| 1974 | 35° | 16° | 25° | 0.38" | 0.5" |
| 1973 | 23° | 5° | 14° | — | — |
| 1972 | 35° | 31° | 33° | — | — |
| 1971 | 34° | 25° | 29° | — | — |
55 years of data from RACINE WWTP