Weather on December 21
Lynn, MA
55 Years of Data
About This Date
December 21st in Lynn, MA typically brings cold winter weather, with average highs around 39°F and lows near 24°F. Over 55 years of records, the warmest December 21st was in 1988 (49°F average), while the coldest was 2004 (9°F) — a 40°F range across recorded history. Precipitation has occurred on 40% of recorded December 21st dates, with snow falling 20% of the time (heaviest snowfall: 10"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for December 21st in Lynn, MA? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella. Check road conditions if traveling, as snow is possible.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 41° | 29° | 35° | — | — |
| 2024 | 35° | 20° | 27° | 0.91" | 1.5" |
| 2023 | 41° | 28° | 35° | — | — |
| 2022 | 39° | 24° | 32° | — | — |
| 2021 | 42° | 27° | 34° | — | — |
| 2020 | 36° | 26° | 31° | — | — |
| 2019 | 28° | 15° | 22° | — | — |
| 2018 | 49° | 25° | 37° | 0.3" | — |
| 2017 | 45° | 24° | 34° | — | — |
| 2016 | 35° | 21° | 28° | — | — |
| 2015 | 41° | 31° | 36° | 0.1" | — |
| 2014 | 35° | 28° | 32° | — | — |
| 2013 | 50° | 30° | 40° | — | — |
| 2012 | 46° | 36° | 41° | 0.2" | — |
| 2011 | 46° | 26° | 36° | — | — |
| 2010 | 30° | 24° | 27° | 0.48" | 2" |
| 2009 | 27° | 16° | 21° | — | 1" |
| 2008 | 30° | 18° | 24° | 0.69" | 2" |
| 2007 | 36° | 22° | 29° | 1.02" | 6" |
| 2006 | 42° | 37° | 40° | — | — |
| 2005 | 35° | 18° | 26° | — | — |
| 2004coldest | 16° | 3° | 9° | 0.36" | 1" |
| 2003 | 38° | 19° | 28° | — | — |
| 2002 | 57° | 35° | 46° | 2.57" | — |
| 2001 | 43° | 33° | 38° | — | — |
| 2000 | 37° | 20° | 28° | — | — |
| 1999 | 56° | 42° | 49° | 0.38" | — |
| 1998 | 44° | 38° | 41° | — | — |
| 1997 | 41° | 19° | 30° | — | — |
| 1996 | 34° | 19° | 26° | — | — |
| 1995 | 26° | 17° | 22° | 0.3" | 2.5" |
| 1994 | 57° | 31° | 44° | — | — |
| 1993 | 51° | 30° | 41° | 4.32" | — |
| 1992 | 34° | 20° | 27° | — | — |
| 1991 | 37° | 26° | 32° | 0.18" | — |
| 1990 | 48° | 26° | 37° | 0.23" | — |
| 1989 | 18° | 8° | 13° | — | — |
| 1988warmest | 57° | 41° | 49° | — | — |
| 1987 | 43° | 34° | 38° | — | — |
| 1986 | 32° | 27° | 29° | — | — |
| 1985 | 28° | 25° | 26° | — | — |
| 1984 | 38° | 30° | 34° | 1.42" | 2.5" |
| 1983 | 44° | 18° | 31° | — | — |
| 1982 | 37° | 30° | 34° | 0.03" | 0.1" |
| 1981 | 32° | 12° | 22° | — | — |
| 1980 | 23° | 2° | 12° | — | — |
| 1979 | 32° | 16° | 24° | — | — |
| 1978 | 42° | 30° | 36° | 1.73" | — |
| 1977 | 51° | 29° | 40° | 3.86" | — |
| 1976 | 37° | 10° | 24° | 0.51" | — |
| 1975 | 30° | 13° | 21° | 2.54" | 10" |
| 1974 | 40° | 30° | 35° | — | — |
| 1973 | 60° | 32° | 46° | 1.91" | — |
| 1972 | 24° | 15° | 20° | 0.25" | 0.5" |
| 1971 | 43° | 23° | 33° | — | — |