Weather on December 18
Baltimore, MD
55 Years of Data
Avg High
46°F
Avg Low
33°F
Warmest
2006
63°F avg
Coldest
1989
22°F avg
About This Date
December 18th 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 18th was in 2006 (63°F average), while the coldest was 1989 (22°F) — a 41°F range across recorded history. Rain or other precipitation has occurred on about 18% of December 18th dates historically, with the wettest December 18th recording 10.11" of rain. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for December 18th in Baltimore, MD? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 51° | 31° | 41° | 0.15" | — |
| 2024 | 54° | 39° | 46° | 0.3" | — |
| 2023 | 59° | 41° | 50° | 2.01" | — |
| 2022 | 43° | 33° | 38° | — | — |
| 2021 | 59° | 43° | 51° | — | — |
| 2020 | 34° | 27° | 30° | — | — |
| 2019 | 40° | 26° | 33° | — | — |
| 2018 | 46° | 37° | 42° | — | — |
| 2017 | 55° | 40° | 47° | — | — |
| 2016 | 63° | 37° | 50° | 0.15" | — |
| 2015 | 53° | 36° | 44° | — | — |
| 2014 | 38° | 33° | 35° | — | — |
| 2013 | 39° | 31° | 35° | — | — |
| 2012 | 62° | 45° | 53° | — | — |
| 2011 | 42° | 35° | 39° | — | — |
| 2010 | 39° | 29° | 34° | — | — |
| 2009 | 34° | 28° | 31° | 0.05" | — |
| 2008 | 44° | 37° | 41° | — | — |
| 2007 | 42° | 26° | 34° | — | — |
| 2006warmest | 76° | 51° | 63° | — | — |
| 2005 | 45° | 35° | 40° | — | — |
| 2004 | 48° | 31° | 39° | — | — |
| 2003 | 36° | 32° | 34° | — | — |
| 2002 | 35° | 27° | 31° | — | — |
| 2001 | 58° | 43° | 50° | 0.28" | — |
| 2000 | 36° | 26° | 31° | — | — |
| 1999 | 48° | 38° | 43° | — | — |
| 1998 | 49° | 33° | 41° | — | — |
| 1997 | 53° | 39° | 46° | — | — |
| 1996 | 54° | 46° | 50° | — | — |
| 1995 | 40° | 34° | 37° | — | — |
| 1994 | 54° | 41° | 47° | — | — |
| 1993 | 45° | 33° | 39° | 0.15" | — |
| 1992 | 47° | 37° | 42° | — | — |
| 1991 | 44° | 27° | 35° | — | — |
| 1990 | 67° | 39° | 53° | 0.69" | — |
| 1989coldest | 29° | 15° | 22° | — | — |
| 1988 | 34° | 21° | 27° | — | — |
| 1987 | 42° | 28° | 35° | — | — |
| 1986 | 48° | 40° | 44° | 1.88" | — |
| 1985 | 38° | 17° | 27° | — | — |
| 1984 | 69° | 49° | 59° | — | — |
| 1983 | 37° | 28° | 33° | — | — |
| 1982 | 34° | 24° | 29° | — | — |
| 1981 | 37° | 25° | 31° | — | — |
| 1980 | 48° | 24° | 36° | — | — |
| 1979 | 33° | 24° | 29° | — | — |
| 1978 | 51° | 37° | 44° | — | — |
| 1977 | 44° | 39° | 42° | 10.11" | — |
| 1976 | 49° | 37° | 43° | — | — |
| 1975 | 41° | 22° | 31° | — | — |
| 1974 | 39° | 30° | 35° | — | — |
| 1973 | 34° | 21° | 27° | — | — |
| 1972 | 40° | 20° | 30° | — | — |
| 1971 | 43° | 25° | 34° | — | — |
55 years of data from BALTIMORE CUSTOMS HOUSE