Weather on December 18
Milwaukee, WI
55 Years of Data
Avg High
32°F
Avg Low
18°F
Warmest
1977
39°F avg
Coldest
1983
-8°F avg
About This Date
December 18th in Milwaukee, WI typically brings cold winter weather, with average highs around 32°F and lows near 18°F. Over 55 years of records, the warmest December 18th was in 1977 (39°F average), while the coldest was 1983 (-8°F) — a 47°F range across recorded history. Precipitation has occurred on 22% of recorded December 18th dates, with snow falling 15% of the time (heaviest snowfall: 8.1"). The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for December 18th in Milwaukee, WI? Bundle up with warm layers and protect extremities from the cold.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 44° | 30° | 37° | — | — |
| 2024 | 38° | 28° | 33° | — | — |
| 2023 | 43° | 29° | 36° | 0.03" | — |
| 2022 | 24° | 13° | 19° | — | — |
| 2021 | 38° | 29° | 34° | — | — |
| 2020 | 36° | 19° | 28° | — | — |
| 2019 | 25° | 7° | 16° | — | — |
| 2018 | 45° | 20° | 33° | — | — |
| 2017 | 42° | 34° | 38° | 0.13" | — |
| 2016 | 16° | -6° | 5° | 0.08" | 1.4" |
| 2015 | 29° | 23° | 26° | — | — |
| 2014 | 29° | 19° | 24° | — | — |
| 2013 | 34° | 14° | 24° | — | — |
| 2012 | 36° | 27° | 31° | 0.48" | 0.5" |
| 2011 | 42° | 24° | 33° | — | — |
| 2010 | 31° | 14° | 22° | — | — |
| 2009 | 34° | 20° | 27° | — | — |
| 2008 | 22° | 8° | 15° | — | — |
| 2007 | 29° | 18° | 23° | — | — |
| 2006 | 48° | 28° | 38° | — | — |
| 2005 | 23° | 0° | 12° | — | — |
| 2004 | 36° | 16° | 26° | — | — |
| 2003 | 26° | 16° | 21° | — | — |
| 2002 | 46° | 28° | 37° | 0.94" | — |
| 2001 | 45° | 28° | 36° | — | — |
| 2000 | 15° | 0° | 8° | 0.61" | 8.1" |
| 1999 | 25° | 12° | 18° | — | — |
| 1998 | 48° | 27° | 37° | 0.08" | 0.5" |
| 1997 | 42° | 32° | 37° | — | — |
| 1996 | 19° | 7° | 13° | — | — |
| 1995 | 34° | 31° | 32° | — | — |
| 1994 | 38° | 23° | 30° | — | — |
| 1993 | 41° | 37° | 39° | 0.23" | — |
| 1992 | 33° | 21° | 27° | 0.05" | 0.2" |
| 1991 | 22° | 11° | 16° | — | — |
| 1990 | 35° | 30° | 33° | — | — |
| 1989 | 16° | 3° | 9° | — | — |
| 1988 | 30° | 11° | 20° | — | — |
| 1987 | 30° | 12° | 21° | — | — |
| 1986 | 31° | 27° | 29° | — | — |
| 1985 | 8° | -9° | 0° | — | — |
| 1984 | 28° | 15° | 22° | — | — |
| 1983coldest | -3° | -13° | -8° | — | — |
| 1982 | 43° | 32° | 37° | — | — |
| 1981 | 24° | 9° | 16° | — | — |
| 1980 | 37° | 12° | 25° | — | — |
| 1979 | 32° | 14° | 23° | — | — |
| 1978 | 39° | 28° | 34° | — | — |
| 1977warmest | 42° | 36° | 39° | — | — |
| 1976 | 40° | 27° | 33° | — | — |
| 1975 | 14° | -1° | 7° | — | — |
| 1974 | 31° | 17° | 24° | 0.25" | 2" |
| 1973 | 28° | 14° | 21° | 0.1" | 0.5" |
| 1972 | 37° | 22° | 29° | — | — |
| 1971 | 26° | 3° | 15° | 0.23" | 1" |
55 years of data from W ALLIS