Weather on December 20
Lynn, MA
55 Years of Data
Avg High
37°F
Avg Low
23°F
Warmest
1998
47°F avg
Coldest
1980
8°F avg
About This Date
December 20th in Lynn, MA typically brings cold winter weather, with average highs around 37°F and lows near 23°F. Over 55 years of records, the warmest December 20th was in 1998 (47°F average), while the coldest was 1980 (8°F) — a 39°F range across recorded history. Precipitation has occurred on 29% of recorded December 20th dates, with snow falling 16% of the time (heaviest snowfall: 11"). The last decade has been 5.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.5°F cooler on this date compared to 20-30 years ago.
Planning for December 20th in Lynn, MA? Bundle up with warm layers and protect extremities from the cold.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 55° | 29° | 42° | 0.33" | — |
| 2024 | 42° | 28° | 35° | 0.03" | — |
| 2023 | 46° | 27° | 36° | — | — |
| 2022 | 41° | 28° | 35° | — | — |
| 2021 | 36° | 12° | 24° | — | — |
| 2020 | 27° | 13° | 20° | — | — |
| 2019 | 21° | 13° | 17° | — | — |
| 2018 | 39° | 25° | 32° | — | — |
| 2017 | 50° | 37° | 44° | — | — |
| 2016 | 26° | 16° | 21° | — | — |
| 2015 | 39° | 29° | 34° | — | — |
| 2014 | 38° | 26° | 32° | — | — |
| 2013 | 42° | 30° | 36° | — | — |
| 2012 | 43° | 32° | 37° | — | — |
| 2011 | 44° | 23° | 34° | — | — |
| 2010 | 39° | 27° | 33° | — | — |
| 2009 | 31° | 15° | 23° | 1.02" | 9" |
| 2008 | 30° | 11° | 20° | 1.91" | 11" |
| 2007 | 39° | 27° | 33° | 0.76" | — |
| 2006 | 43° | 27° | 35° | — | — |
| 2005 | 34° | 21° | 27° | — | — |
| 2004 | 42° | 16° | 29° | — | — |
| 2003 | 41° | 27° | 34° | — | — |
| 2002 | 48° | 35° | 42° | 0.1" | — |
| 2001 | 44° | 37° | 41° | — | — |
| 2000 | 37° | 28° | 33° | 0.91" | — |
| 1999 | 42° | 22° | 32° | — | — |
| 1998warmest | 50° | 44° | 47° | — | — |
| 1997 | 46° | 35° | 41° | — | — |
| 1996 | 45° | 25° | 35° | 1.17" | — |
| 1995 | 32° | 20° | 26° | 2.29" | 10" |
| 1994 | 39° | 25° | 32° | — | — |
| 1993 | 38° | 29° | 33° | — | — |
| 1992 | 43° | 36° | 39° | — | — |
| 1991 | 30° | 14° | 22° | — | — |
| 1990 | 32° | 24° | 28° | — | — |
| 1989 | 24° | 14° | 19° | — | — |
| 1988 | 55° | 26° | 41° | — | — |
| 1987 | 40° | 21° | 30° | 0.71" | 0.5" |
| 1986 | 39° | 33° | 36° | — | — |
| 1985 | 28° | 17° | 23° | — | — |
| 1984 | 48° | 34° | 41° | — | — |
| 1983 | 26° | 5° | 16° | — | — |
| 1982 | 33° | 27° | 30° | 0.1" | 0.5" |
| 1981 | 24° | 15° | 20° | — | — |
| 1980coldest | 17° | -2° | 8° | — | — |
| 1979 | 22° | 9° | 15° | 0.28" | 0.5" |
| 1978 | 31° | 20° | 25° | — | — |
| 1977 | 37° | 27° | 32° | 1.17" | 2" |
| 1976 | 34° | 22° | 28° | 0.41" | — |
| 1975 | 25° | 3° | 14° | 0.58" | 3.5" |
| 1974 | 40° | 29° | 34° | — | — |
| 1973 | 35° | 20° | 27° | — | — |
| 1972 | 37° | 21° | 29° | — | — |
| 1971 | 29° | 19° | 24° | 0.81" | 1" |
55 years of data from PEABODY