Weather on December 20
Dayton, OH
55 Years of Data
Avg High
39°F
Avg Low
24°F
Warmest
1997
47°F avg
Coldest
1981
8°F avg
About This Date
December 20th in Dayton, OH typically brings cold winter weather, with average highs around 39°F and lows near 24°F. Over 55 years of records, the warmest December 20th was in 1997 (47°F average), while the coldest was 1981 (8°F) — a 39°F range across recorded history. Precipitation has occurred on 42% of recorded December 20th dates, with snow falling 7% of the time (heaviest snowfall: 7"). The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for December 20th in Dayton, OH? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 48° | 19° | 34° | — | — |
| 2024 | 38° | 31° | 35° | 0.25" | 0.2" |
| 2023 | 49° | 27° | 38° | — | — |
| 2022 | 41° | 20° | 31° | — | — |
| 2021 | 42° | 25° | 34° | — | — |
| 2020 | 43° | 35° | 39° | 0.51" | — |
| 2019 | 34° | 12° | 23° | — | — |
| 2018 | 53° | 27° | 40° | 0.2" | — |
| 2017 | 47° | 29° | 38° | — | — |
| 2016 | 23° | 8° | 16° | — | — |
| 2015 | 31° | 20° | 25° | — | — |
| 2014 | 30° | 25° | 27° | — | — |
| 2013 | 54° | 38° | 46° | — | — |
| 2012 | 51° | 32° | 42° | 2.03" | — |
| 2011 | 51° | 42° | 47° | 0.38" | — |
| 2010 | 32° | 18° | 25° | — | — |
| 2009 | 35° | 25° | 30° | 0.05" | — |
| 2008 | 57° | 26° | 42° | 0.05" | — |
| 2007 | 41° | 25° | 33° | — | — |
| 2006 | 45° | 26° | 35° | — | — |
| 2005 | 19° | 8° | 14° | — | — |
| 2004 | 19° | 0° | 10° | — | — |
| 2003 | 31° | 24° | 27° | — | — |
| 2002 | 54° | 37° | 45° | 2.59" | — |
| 2001 | 52° | 29° | 40° | — | — |
| 2000 | 15° | 12° | 14° | 0.05" | 0.4" |
| 1999 | 48° | 28° | 38° | 0.38" | — |
| 1998 | 46° | 39° | 43° | 0.08" | — |
| 1997warmest | 56° | 38° | 47° | — | — |
| 1996 | 17° | 10° | 14° | — | — |
| 1995 | 33° | 14° | 24° | 2.95" | 7" |
| 1994 | 42° | 29° | 35° | — | — |
| 1993 | 37° | 34° | 35° | — | — |
| 1992 | 51° | 32° | 42° | 0.46" | — |
| 1991 | 32° | 20° | 26° | — | — |
| 1990 | 40° | 31° | 35° | — | — |
| 1989 | 23° | 1° | 12° | — | — |
| 1988 | 56° | 34° | 45° | — | — |
| 1987 | 55° | 34° | 44° | 0.69" | — |
| 1986 | 32° | 29° | 30° | — | — |
| 1985 | 23° | 2° | 12° | 0.13" | 1" |
| 1984 | 46° | 34° | 40° | 0.03" | — |
| 1983 | 15° | 4° | 9° | — | — |
| 1982 | 44° | 32° | 38° | 0.36" | — |
| 1981coldest | 15° | 1° | 8° | — | — |
| 1980 | 22° | 6° | 14° | 0.03" | — |
| 1979 | 45° | 24° | 34° | — | — |
| 1978 | 40° | 32° | 36° | — | — |
| 1977 | 51° | 37° | 44° | 0.13" | — |
| 1976 | 55° | 34° | 44° | 0.08" | — |
| 1975 | 32° | 17° | 25° | — | — |
| 1974 | 39° | 24° | 32° | — | — |
| 1973 | 35° | 26° | 31° | 1.55" | — |
| 1972 | 45° | 36° | 40° | 1.09" | — |
| 1971 | 42° | 19° | 31° | 0.58" | — |
55 years of data from DAYTON MCD