Weather on December 9
Dayton, OH
55 Years of Data
Avg High
42°F
Avg Low
28°F
Warmest
1987
55°F avg
Coldest
1995
16°F avg
About This Date
December 9th in Dayton, OH typically brings chilly winter weather, with average highs around 42°F and lows near 28°F. Over 55 years of records, the warmest December 9th was in 1987 (55°F average), while the coldest was 1995 (16°F) — a 39°F range across recorded history. Precipitation has occurred on 40% of recorded December 9th dates, with snow falling 4% of the time (heaviest snowfall: 2"). 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 Dayton, OH? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 41° | 15° | 28° | — | — |
| 2024 | 54° | 42° | 48° | 1.07" | — |
| 2023 | 59° | 41° | 50° | 1.88" | — |
| 2022 | 50° | 35° | 43° | 0.2" | — |
| 2021 | 50° | 24° | 37° | — | — |
| 2020 | 40° | 28° | 34° | — | — |
| 2019 | 54° | 30° | 42° | 0.71" | — |
| 2018 | 24° | 19° | 22° | — | — |
| 2017 | 30° | 17° | 24° | — | — |
| 2016 | 21° | 10° | 16° | — | — |
| 2015 | 54° | 40° | 47° | — | — |
| 2014 | 48° | 34° | 41° | 0.03" | — |
| 2013 | 29° | 19° | 24° | — | — |
| 2012 | 58° | 40° | 49° | 1.02" | — |
| 2011 | 40° | 26° | 33° | — | — |
| 2010 | 27° | 10° | 18° | — | — |
| 2009 | 55° | 33° | 44° | 1.68" | — |
| 2008 | 48° | 27° | 37° | — | — |
| 2007 | 39° | 34° | 36° | 0.15" | — |
| 2006 | 26° | 11° | 18° | — | — |
| 2005 | 32° | 14° | 23° | 1.04" | — |
| 2004 | 45° | 35° | 40° | 0.46" | — |
| 2003 | 48° | 33° | 41° | — | — |
| 2002 | 39° | 15° | 27° | — | — |
| 2001 | 47° | 36° | 41° | — | — |
| 2000 | 35° | 15° | 25° | — | — |
| 1999 | 55° | 29° | 42° | — | — |
| 1998 | 44° | 33° | 39° | — | — |
| 1997 | 32° | 29° | 30° | 0.08" | — |
| 1996 | 32° | 28° | 30° | — | — |
| 1995coldest | 28° | 3° | 16° | 0.05" | — |
| 1994 | 41° | 31° | 36° | 0.69" | — |
| 1993 | 46° | 33° | 40° | — | — |
| 1992 | 30° | 27° | 28° | — | — |
| 1991 | 62° | 47° | 54° | 0.03" | — |
| 1990 | 47° | 30° | 38° | — | — |
| 1989 | 30° | 16° | 23° | — | — |
| 1988 | 38° | 26° | 32° | — | — |
| 1987warmest | 61° | 50° | 55° | 0.25" | — |
| 1986 | 52° | 43° | 47° | 0.89" | — |
| 1985 | 46° | 31° | 38° | — | — |
| 1984 | 44° | 22° | 33° | — | — |
| 1983 | 33° | 31° | 32° | — | — |
| 1982 | 50° | 26° | 38° | — | — |
| 1981 | 37° | 24° | 31° | — | — |
| 1980 | 63° | 39° | 51° | 0.86" | — |
| 1979 | 37° | 26° | 32° | — | — |
| 1978 | 38° | 24° | 31° | 3.2" | — |
| 1977 | 34° | 15° | 24° | 1.75" | 2" |
| 1976 | 26° | 16° | 21° | — | — |
| 1975 | 44° | 32° | 38° | 0.18" | — |
| 1974 | 38° | 20° | 29° | 0.1" | 0.1" |
| 1973 | 42° | 25° | 33° | — | — |
| 1972 | 42° | 34° | 38° | 1.57" | — |
| 1971 | 48° | 44° | 46° | — | — |
55 years of data from DAYTON MCD