Weather on December 9
Cambridge, MA
55 Years of Data
Avg High
40°F
Avg Low
24°F
Warmest
1974
52°F avg
Coldest
2000
15°F avg
About This Date
December 9th in Cambridge, MA typically brings chilly winter weather, with average highs around 40°F and lows near 24°F. Over 55 years of records, the warmest December 9th was in 1974 (52°F average), while the coldest was 2000 (15°F) — a 37°F range across recorded history. Precipitation has occurred on 27% of recorded December 9th dates, with snow falling 16% of the time (heaviest snowfall: 8.6"). 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 9th in Cambridge, MA? Bring layers as temperatures can vary throughout the day.
Cooling Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 27° | 9° | 18° | — | — |
| 2024 | 50° | 30° | 40° | — | — |
| 2023 | 46° | 24° | 35° | — | — |
| 2022 | 53° | 32° | 43° | — | — |
| 2021 | 37° | 20° | 28° | 0.1" | 0.4" |
| 2020 | 32° | 20° | 26° | — | — |
| 2019 | 41° | 16° | 28° | 0.05" | — |
| 2018 | 29° | 15° | 22° | — | — |
| 2017 | 40° | 33° | 36° | — | — |
| 2016 | 42° | 29° | 35° | — | — |
| 2015 | 42° | 35° | 39° | — | — |
| 2014 | 36° | 20° | 28° | 0.89" | — |
| 2013 | 33° | 27° | 30° | — | 0.6" |
| 2012 | 45° | 40° | 42° | 0.41" | — |
| 2011 | 43° | 30° | 36° | — | — |
| 2010 | 33° | 17° | 25° | — | — |
| 2009 | 40° | 29° | 34° | 0.56" | 0.7" |
| 2008 | 21° | 12° | 17° | — | — |
| 2007 | 36° | 28° | 32° | 0.1" | — |
| 2006 | 25° | 20° | 22° | — | — |
| 2005 | 37° | 26° | 32° | 1.6" | 8.6" |
| 2004 | 43° | 37° | 40° | — | — |
| 2003 | 30° | 14° | 22° | — | — |
| 2002 | 44° | 11° | 27° | — | — |
| 2001 | 41° | 31° | 36° | 1.91" | 5.5" |
| 2000coldest | 21° | 9° | 15° | 0.15" | 1" |
| 1999 | 51° | 26° | 39° | — | — |
| 1998 | 45° | 31° | 38° | 1.19" | — |
| 1997 | 44° | 24° | 34° | — | — |
| 1996 | 43° | 24° | 33° | — | — |
| 1995 | 28° | 21° | 25° | — | — |
| 1994 | 39° | 17° | 28° | — | — |
| 1993 | 40° | 22° | 31° | 0.08" | — |
| 1992 | 28° | 13° | 20° | — | — |
| 1991 | 51° | 39° | 45° | — | — |
| 1990 | 42° | 30° | 36° | — | — |
| 1989 | 23° | 10° | 17° | — | — |
| 1988 | 40° | 24° | 32° | — | — |
| 1987 | 48° | 26° | 37° | — | — |
| 1986 | 36° | 21° | 28° | — | 0.5" |
| 1985 | 48° | 41° | 45° | — | — |
| 1984 | 32° | 12° | 22° | — | — |
| 1983 | 42° | 17° | 30° | — | — |
| 1982 | 59° | 32° | 46° | — | — |
| 1981 | 38° | 27° | 32° | — | — |
| 1980 | 60° | 33° | 47° | — | — |
| 1979 | 48° | 19° | 34° | — | — |
| 1978 | 52° | 40° | 46° | 1.4" | — |
| 1977 | 34° | 16° | 25° | — | — |
| 1976 | 27° | 13° | 20° | — | — |
| 1975 | 34° | 18° | 26° | 0.15" | 0.5" |
| 1974warmest | 60° | 45° | 52° | 1.52" | — |
| 1973 | 43° | 26° | 34° | — | — |
| 1972 | 37° | 24° | 31° | 1.22" | 0.5" |
| 1971 | 36° | 32° | 34° | — | — |
55 years of data from CHESTNUT HILL