Weather on December 15
Madison, WI
55 Years of Data
Avg High
35°F
Avg Low
17°F
Warmest
2006
45°F avg
Coldest
1989
1°F avg
About This Date
December 15th in Madison, WI typically brings cold winter weather, with average highs around 35°F and lows near 17°F. Over 55 years of records, the warmest December 15th was in 2006 (45°F average), while the coldest was 1989 (1°F) — a 44°F range across recorded history. Precipitation has occurred on 40% of recorded December 15th dates, with snow falling 15% of the time (heaviest snowfall: 12"). The last decade has been 4.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.7°F cooler on this date compared to 20-30 years ago.
Planning for December 15th in Madison, WI? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 10° | -3° | 4° | — | — |
| 2024 | 37° | 28° | 33° | 0.79" | — |
| 2023 | 53° | 33° | 43° | — | — |
| 2022 | 41° | 27° | 34° | 3.4" | 5" |
| 2021 | 53° | 26° | 40° | — | — |
| 2020 | 28° | 7° | 17° | — | — |
| 2019 | 26° | 8° | 17° | — | — |
| 2018 | 45° | 19° | 32° | — | — |
| 2017 | 28° | 12° | 20° | — | — |
| 2016 | 17° | -4° | 7° | — | — |
| 2015 | 50° | 31° | 40° | — | — |
| 2014 | 46° | 43° | 44° | — | — |
| 2013 | 23° | 10° | 17° | 0.03" | 0.2" |
| 2012 | 48° | 20° | 34° | 0.38" | — |
| 2011 | 51° | 38° | 44° | 0.69" | — |
| 2010 | 16° | -9° | 3° | — | — |
| 2009 | 31° | 5° | 18° | 0.23" | 0.5" |
| 2008 | 45° | -2° | 21° | 0.79" | — |
| 2007 | 20° | 2° | 11° | 0.05" | 1.5" |
| 2006warmest | 53° | 38° | 45° | — | — |
| 2005 | 33° | 27° | 30° | 0.53" | 3" |
| 2004 | 27° | 10° | 18° | — | — |
| 2003 | 26° | 24° | 25° | — | — |
| 2002 | 45° | 29° | 37° | — | — |
| 2001 | 33° | 28° | 31° | — | — |
| 2000 | 24° | 9° | 16° | — | — |
| 1999 | 37° | 30° | 34° | 0.89" | — |
| 1998 | 53° | 29° | 41° | — | — |
| 1997 | 38° | 15° | 26° | — | — |
| 1996 | 40° | 32° | 36° | 0.94" | — |
| 1995 | 35° | 16° | 25° | — | — |
| 1994 | 28° | 16° | 22° | 0.2" | 1" |
| 1993 | 41° | 30° | 36° | 0.03" | — |
| 1992 | 37° | 29° | 33° | 1.09" | — |
| 1991 | 23° | 14° | 19° | 0.05" | — |
| 1990 | 35° | 9° | 22° | 0.51" | — |
| 1989coldest | 11° | -10° | 1° | — | 0.1" |
| 1988 | 43° | 10° | 26° | — | — |
| 1987 | 35° | 29° | 32° | 0.84" | 12" |
| 1986 | 37° | 8° | 23° | — | — |
| 1985 | 26° | -15° | 6° | — | — |
| 1984 | 34° | 24° | 29° | — | — |
| 1983 | 33° | 24° | 29° | 1.27" | — |
| 1982 | 36° | 29° | 32° | — | — |
| 1981 | 34° | 6° | 20° | 0.03" | — |
| 1980 | 27° | 15° | 21° | — | — |
| 1979 | 44° | 9° | 26° | — | — |
| 1978 | 38° | 18° | 28° | — | — |
| 1977 | 36° | 30° | 33° | — | — |
| 1976 | 41° | 7° | 24° | — | — |
| 1975 | 60° | 18° | 39° | — | — |
| 1974 | 36° | 32° | 34° | 1.47" | — |
| 1973 | 23° | 14° | 19° | 0.18" | — |
| 1972 | 22° | -11° | 5° | — | — |
| 1971 | 37° | 32° | 35° | 4.78" | — |
55 years of data from UW ARBORETUM - MADISON