Weather on December 31
Baltimore, MD
55 Years of Data
Avg High
46°F
Avg Low
33°F
Warmest
1992
62°F avg
Coldest
2017
20°F avg
About This Date
December 31st in Baltimore, MD typically brings chilly winter weather, with average highs around 46°F and lows near 33°F. Over 55 years of records, the warmest December 31st was in 1992 (62°F average), while the coldest was 2017 (20°F) — a 42°F range across recorded history. Rain or other precipitation has occurred on about 35% of December 31st dates historically, with the wettest December 31st recording 7.29" of rain. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
Planning for December 31st in Baltimore, MD? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 37° | 27° | 32° | — | — |
| 2024 | 59° | 38° | 48° | 0.74" | — |
| 2023 | 52° | 45° | 48° | — | — |
| 2022 | 54° | 42° | 48° | 1.12" | — |
| 2021 | 50° | 46° | 48° | 0.1" | — |
| 2020 | 49° | 37° | 43° | — | — |
| 2019 | 52° | 43° | 47° | — | — |
| 2018 | 48° | 38° | 43° | 1.6" | — |
| 2017coldest | 23° | 17° | 20° | — | — |
| 2016 | 49° | 30° | 40° | 0.03" | — |
| 2015 | 55° | 43° | 49° | — | — |
| 2014 | 35° | 28° | 32° | — | — |
| 2013 | 43° | 29° | 36° | — | — |
| 2012 | 44° | 32° | 38° | — | — |
| 2011 | 62° | 46° | 54° | — | — |
| 2010 | 47° | 32° | 39° | — | — |
| 2009 | 35° | 29° | 32° | 0.94" | — |
| 2008 | 47° | 26° | 36° | — | — |
| 2007 | 51° | 35° | 43° | 0.13" | — |
| 2006 | 52° | 41° | 46° | 0.23" | — |
| 2005 | 45° | 37° | 41° | — | — |
| 2004 | 61° | 40° | 50° | — | — |
| 2003 | 51° | 32° | 42° | — | — |
| 2002 | 53° | 38° | 45° | — | — |
| 2001 | 34° | 23° | 28° | — | — |
| 2000 | 36° | 24° | 30° | — | — |
| 1999 | 51° | 39° | 45° | — | — |
| 1998 | 37° | 28° | 33° | — | — |
| 1997 | 44° | 30° | 37° | — | — |
| 1996 | 51° | 34° | 42° | — | — |
| 1995 | 46° | 36° | 41° | — | — |
| 1994 | 38° | 28° | 33° | 0.38" | — |
| 1993 | 35° | 16° | 25° | — | — |
| 1992warmest | 73° | 51° | 62° | — | — |
| 1991 | 43° | 30° | 36° | — | — |
| 1990 | 62° | 27° | 44° | 0.18" | — |
| 1989 | 44° | 32° | 38° | 1.83" | — |
| 1988 | 53° | 34° | 43° | — | — |
| 1987 | 47° | 24° | 35° | 0.03" | — |
| 1986 | 49° | 36° | 42° | — | — |
| 1985 | 48° | 31° | 39° | — | — |
| 1984 | 47° | 38° | 42° | 0.3" | — |
| 1983 | 30° | 14° | 22° | — | — |
| 1982 | 41° | 33° | 37° | — | — |
| 1981 | 42° | 28° | 35° | 1.27" | — |
| 1980 | 30° | 20° | 25° | — | — |
| 1979 | 52° | 36° | 44° | — | — |
| 1978 | 45° | 39° | 42° | 1.02" | — |
| 1977 | 49° | 36° | 42° | — | — |
| 1976 | 29° | 20° | 24° | — | — |
| 1975 | 43° | 39° | 41° | 7.29" | — |
| 1974 | 39° | 34° | 36° | 0.91" | — |
| 1973 | 39° | 34° | 36° | 0.84" | — |
| 1972 | 60° | 47° | 53° | 0.28" | — |
| 1971 | 63° | 34° | 48° | — | — |
55 years of data from BALTIMORE CUSTOMS HOUSE