Weather on December 9
Rochester, NY
55 Years of Data
About This Date
December 9th in Rochester, NY typically brings cold winter weather, with average highs around 39°F and lows near 25°F. Over 55 years of records, the warmest December 9th was in 2023 (57°F average), while the coldest was 2002 (13°F) — a 44°F range across recorded history. Precipitation has occurred on 65% of recorded December 9th dates, with snow falling 47% of the time (heaviest snowfall: 7.5"). The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
Planning for December 9th in Rochester, NY? 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 | 34° | 5° | 19° | — | — |
| 2024 | 48° | 37° | 43° | 1.3" | — |
| 2023warmest | 63° | 51° | 57° | — | — |
| 2022 | 34° | 28° | 31° | 0.05" | 0.3" |
| 2021 | 32° | 25° | 29° | 0.05" | 0.2" |
| 2020 | 38° | 32° | 35° | 0.36" | 1" |
| 2019 | 50° | 40° | 45° | 0.2" | — |
| 2018 | 34° | 18° | 26° | — | — |
| 2017 | 37° | 25° | 31° | — | — |
| 2016 | 30° | 24° | 27° | 0.23" | 3.2" |
| 2015 | 55° | 36° | 45° | — | — |
| 2014 | 46° | 31° | 39° | — | — |
| 2013 | 41° | 27° | 34° | 0.13" | 0.1" |
| 2012 | 46° | 31° | 38° | 0.41" | — |
| 2011 | 41° | 30° | 36° | 0.15" | 1.8" |
| 2010 | 24° | 7° | 15° | 0.03" | 0.4" |
| 2009 | 45° | 30° | 37° | 1.37" | 2" |
| 2008 | 50° | 25° | 37° | 0.69" | 1" |
| 2007 | 30° | 26° | 28° | 0.05" | 0.2" |
| 2006 | 40° | 27° | 33° | — | — |
| 2005 | 33° | 25° | 29° | 0.28" | 1.4" |
| 2004 | 45° | 35° | 40° | 0.13" | — |
| 2003 | 37° | 27° | 32° | — | — |
| 2002coldest | 25° | 2° | 13° | — | — |
| 2001 | 41° | 28° | 35° | 0.03" | — |
| 2000 | 28° | 8° | 18° | 0.03" | 0.2" |
| 1999 | 55° | 30° | 43° | — | — |
| 1998 | 45° | 26° | 35° | — | — |
| 1997 | 35° | 26° | 31° | — | — |
| 1996 | 36° | 23° | 29° | 0.18" | 0.8" |
| 1995 | 34° | 7° | 20° | 0.05" | 0.5" |
| 1994 | 38° | 18° | 28° | 0.71" | — |
| 1993 | 44° | 28° | 36° | — | — |
| 1992 | 29° | 13° | 21° | — | 0.3" |
| 1991 | 59° | 35° | 47° | 0.15" | — |
| 1990 | 47° | 29° | 38° | — | — |
| 1989 | 27° | 7° | 17° | — | — |
| 1988 | 32° | 21° | 27° | — | 0.2" |
| 1987 | 54° | 40° | 47° | 0.18" | — |
| 1986 | 47° | 21° | 34° | 0.76" | — |
| 1985 | 36° | 33° | 34° | 0.03" | — |
| 1984 | 46° | 30° | 38° | — | — |
| 1983 | 35° | 23° | 29° | 0.3" | 1.3" |
| 1982 | 33° | 8° | 21° | 0.28" | 1.4" |
| 1981 | 26° | 21° | 24° | 0.69" | 7.5" |
| 1980 | 39° | 32° | 36° | 0.38" | 2.2" |
| 1979 | 38° | 21° | 29° | — | — |
| 1978 | 32° | 21° | 27° | 0.13" | 1" |
| 1977 | 35° | 16° | 25° | 0.66" | 5.7" |
| 1976 | 22° | 13° | 17° | 0.08" | 1.4" |
| 1975 | 34° | 32° | 33° | 3.02" | 6.6" |
| 1974 | 32° | 23° | 28° | 0.05" | 1" |
| 1973 | 36° | 30° | 33° | 1.8" | 1.7" |
| 1972 | 38° | 35° | 36° | 0.03" | — |
| 1971 | 46° | 37° | 42° | 0.56" | — |