Weather on December 20
Rochester, NY
55 Years of Data
About This Date
December 20th in Rochester, NY typically brings cold winter weather, with average highs around 35°F and lows near 23°F. Over 55 years of records, the warmest December 20th was in 1988 (52°F average), while the coldest was 2004 (2°F) — a 50°F range across recorded history. Precipitation has occurred on 62% of recorded December 20th dates, with snow falling 56% of the time (heaviest snowfall: 5.7"). The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
Planning for December 20th 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 | 46° | 25° | 35° | — | 0.1" |
| 2024 | 31° | 24° | 28° | 0.51" | 2.9" |
| 2023 | 37° | 22° | 30° | — | — |
| 2022 | 31° | 23° | 27° | — | 0.1" |
| 2021 | 36° | 18° | 27° | — | — |
| 2020 | 37° | 32° | 35° | 0.23" | 0.8" |
| 2019 | 25° | 15° | 20° | 0.08" | 1" |
| 2018 | 48° | 26° | 37° | 1.27" | — |
| 2017 | 40° | 28° | 34° | — | 0.2" |
| 2016 | 37° | 17° | 27° | — | — |
| 2015 | 41° | 25° | 33° | — | — |
| 2014 | 32° | 28° | 30° | — | — |
| 2013 | 45° | 35° | 40° | 0.64" | — |
| 2012 | 42° | 27° | 34° | 0.41" | — |
| 2011 | 38° | 28° | 33° | — | — |
| 2010 | 31° | 23° | 27° | — | 0.1" |
| 2009 | 29° | 21° | 25° | — | — |
| 2008 | 19° | 13° | 16° | 0.05" | 2.1" |
| 2007 | 35° | 26° | 31° | 0.08" | 0.6" |
| 2006 | 48° | 29° | 38° | — | — |
| 2005 | 26° | 20° | 23° | 0.03" | 2.2" |
| 2004coldest | 7° | -3° | 2° | 0.03" | 0.1" |
| 2003 | 29° | 20° | 24° | 0.33" | 3.5" |
| 2002 | 51° | 32° | 42° | 0.23" | 0.6" |
| 2001 | 41° | 33° | 37° | 0.03" | 0.1" |
| 2000 | 24° | 14° | 19° | 0.15" | 1.1" |
| 1999 | 48° | 35° | 42° | 0.03" | — |
| 1998 | 39° | 29° | 34° | 0.05" | 0.2" |
| 1997 | 36° | 28° | 32° | 0.28" | 0.7" |
| 1996 | 25° | 15° | 20° | 0.03" | 0.4" |
| 1995 | 17° | 14° | 16° | 0.46" | 4.3" |
| 1994 | 43° | 33° | 38° | — | — |
| 1993 | 40° | 33° | 36° | 0.05" | 0.2" |
| 1992 | 43° | 24° | 33° | 0.41" | — |
| 1991 | 37° | 11° | 24° | — | — |
| 1990 | 41° | 24° | 33° | — | — |
| 1989 | 17° | 5° | 11° | 0.05" | 0.5" |
| 1988warmest | 58° | 46° | 52° | — | — |
| 1987 | 46° | 33° | 40° | 1.3" | 0.1" |
| 1986 | 37° | 31° | 34° | — | — |
| 1985 | 25° | 18° | 21° | 0.05" | 0.3" |
| 1984 | 36° | 25° | 30° | — | — |
| 1983 | 14° | 4° | 9° | 0.03" | 0.8" |
| 1982 | 34° | 29° | 31° | 0.28" | 2.1" |
| 1981 | 23° | 3° | 13° | — | 0.2" |
| 1980 | 22° | 8° | 15° | 0.08" | 1.3" |
| 1979 | 31° | 13° | 22° | — | — |
| 1978 | 41° | 20° | 30° | 1.09" | 0.1" |
| 1977 | 38° | 32° | 35° | 0.03" | 0.1" |
| 1976 | 50° | 21° | 36° | 0.08" | — |
| 1975 | 21° | 8° | 15° | 0.86" | 5.7" |
| 1974 | 33° | 28° | 31° | — | — |
| 1973 | 45° | 19° | 32° | 1.09" | 0.1" |
| 1972 | 38° | 27° | 32° | 0.2" | — |
| 1971 | 37° | 33° | 35° | 0.18" | — |