Weather on December 20
Brockton, MA
55 Years of Data
Avg High
40°F
Avg Low
22°F
Warmest
2002
50°F avg
Coldest
1980
11°F avg
About This Date
December 20th in Brockton, MA typically brings chilly winter weather, with average highs around 40°F and lows near 22°F. Over 55 years of records, the warmest December 20th was in 2002 (50°F average), while the coldest was 1980 (11°F) — a 39°F range across recorded history. Precipitation has occurred on 40% of recorded December 20th dates, with snow falling 5% of the time (heaviest snowfall: 6.2"). The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
Planning for December 20th in Brockton, MA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 42° | 30° | 36° | — | — |
| 2024 | 40° | 29° | 34° | 1.37" | 1.2" |
| 2023 | 46° | 32° | 39° | — | — |
| 2022 | 45° | 31° | 38° | — | — |
| 2021 | 38° | 20° | 29° | — | — |
| 2020 | 40° | 21° | 30° | — | — |
| 2019 | 32° | 15° | 24° | — | — |
| 2018 | 49° | 24° | 36° | — | — |
| 2017 | 48° | 31° | 39° | — | — |
| 2016 | 34° | 17° | 25° | — | — |
| 2015 | 42° | 27° | 34° | — | — |
| 2014 | 35° | 28° | 32° | 0.1" | — |
| 2013 | 55° | 29° | 42° | — | — |
| 2012 | 46° | 30° | 38° | — | — |
| 2011 | 45° | 24° | 34° | — | — |
| 2010 | 33° | 24° | 29° | 0.2" | — |
| 2009 | 32° | 19° | 26° | 1.02" | — |
| 2008 | 25° | 15° | 20° | 0.89" | 3" |
| 2007 | 38° | 13° | 25° | 1.22" | — |
| 2006 | 45° | 21° | 33° | — | — |
| 2005 | 33° | 18° | 25° | — | — |
| 2004 | 36° | 5° | 20° | 0.08" | — |
| 2003 | 42° | 22° | 32° | — | — |
| 2002warmest | 62° | 37° | 50° | 3.3" | — |
| 2001 | 45° | 31° | 38° | — | — |
| 2000 | 37° | 23° | 30° | 0.13" | — |
| 1999 | 59° | 21° | 40° | 0.51" | — |
| 1998 | 49° | 36° | 42° | — | — |
| 1997 | 48° | 29° | 38° | — | — |
| 1996 | 36° | 18° | 27° | — | — |
| 1995 | 34° | 20° | 27° | 1.3" | 6.2" |
| 1994 | 38° | 18° | 28° | — | — |
| 1993 | 46° | 25° | 35° | — | — |
| 1992 | 52° | 32° | 42° | 0.46" | — |
| 1991 | 35° | 18° | 26° | 0.05" | — |
| 1990 | 38° | 29° | 33° | — | — |
| 1989 | 27° | 12° | 19° | — | — |
| 1988 | 52° | 16° | 34° | — | — |
| 1987 | 39° | 20° | 29° | 0.38" | — |
| 1986 | 40° | 28° | 34° | — | — |
| 1985 | 33° | 6° | 20° | 0.03" | — |
| 1984 | 48° | 29° | 38° | — | — |
| 1983 | 20° | 6° | 13° | — | — |
| 1982 | 32° | 26° | 29° | 0.2" | — |
| 1981 | 25° | 14° | 19° | — | — |
| 1980coldest | 21° | 2° | 11° | — | — |
| 1979 | 28° | 17° | 23° | — | — |
| 1978 | 35° | 20° | 27° | 0.08" | — |
| 1977 | 38° | 34° | 36° | 0.13" | — |
| 1976 | 49° | 25° | 37° | 0.66" | — |
| 1975 | 33° | 5° | 19° | 0.03" | — |
| 1974 | 45° | 28° | 36° | — | — |
| 1973 | 58° | 18° | 38° | — | — |
| 1972 | 39° | 33° | 36° | 0.74" | — |
| 1971 | 35° | 21° | 28° | 0.43" | — |
55 years of data from BROCKTON