Weather on December 20
Indianapolis, IN
55 Years of Data
Avg High
39°F
Avg Low
23°F
Warmest
2013
53°F avg
Coldest
1981
5°F avg
About This Date
December 20th in Indianapolis, IN typically brings cold winter weather, with average highs around 39°F and lows near 23°F. Over 55 years of records, the warmest December 20th was in 2013 (53°F average), while the coldest was 1981 (5°F) — a 48°F range across recorded history. Precipitation has occurred on 44% of recorded December 20th dates, with snow falling 9% of the time (heaviest snowfall: 2"). The last decade has been 9.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 9.0°F warmer on this date compared to 20-30 years ago.
Planning for December 20th in Indianapolis, IN? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 50° | 22° | 36° | — | — |
| 2024 | 35° | 28° | 32° | 0.25" | 0.4" |
| 2023 | 48° | 27° | 37° | — | — |
| 2022 | 41° | 23° | 32° | — | — |
| 2021 | 42° | 22° | 32° | — | — |
| 2020 | 42° | 32° | 37° | 0.03" | — |
| 2019 | 43° | 18° | 30° | — | — |
| 2018 | 48° | 42° | 45° | 0.18" | — |
| 2017 | 44° | 31° | 37° | — | — |
| 2016 | 36° | 10° | 23° | — | — |
| 2015 | 46° | 25° | 35° | — | — |
| 2014 | 33° | 22° | 27° | — | — |
| 2013warmest | 59° | 47° | 53° | 1.4" | — |
| 2012 | 50° | 37° | 44° | 1.14" | — |
| 2011 | 48° | 39° | 44° | 0.61" | — |
| 2010 | 28° | 9° | 18° | 0.03" | — |
| 2009 | 33° | 28° | 31° | 0.1" | 1" |
| 2008 | 54° | 26° | 40° | 0.2" | — |
| 2007 | 37° | 26° | 32° | — | — |
| 2006 | 40° | 24° | 32° | — | — |
| 2005 | 17° | 4° | 10° | — | — |
| 2004 | 17° | 3° | 10° | 2.54" | 1" |
| 2003 | 27° | 13° | 20° | — | — |
| 2002 | 51° | 33° | 42° | 1.24" | — |
| 2001 | 44° | 26° | 35° | — | — |
| 2000 | 13° | 2° | 7° | — | — |
| 1999 | 46° | 28° | 37° | 0.46" | — |
| 1998 | 43° | 33° | 38° | 0.05" | — |
| 1997 | 55° | 33° | 44° | — | — |
| 1996 | 12° | 4° | 8° | — | — |
| 1995 | 25° | 11° | 18° | — | — |
| 1994 | 47° | 28° | 37° | — | — |
| 1993 | 37° | 26° | 32° | 0.56" | — |
| 1992 | 29° | 17° | 23° | — | — |
| 1991 | 40° | 28° | 34° | 0.56" | — |
| 1990 | 38° | 30° | 34° | 0.58" | — |
| 1989 | 18° | -6° | 6° | — | 0.5" |
| 1988 | 61° | 32° | 46° | — | — |
| 1987 | 54° | 44° | 49° | 1.14" | — |
| 1986 | 36° | 22° | 29° | — | — |
| 1985 | 22° | -1° | 11° | 0.33" | 2" |
| 1984 | 50° | 28° | 39° | — | — |
| 1983 | 13° | 10° | 11° | — | — |
| 1982 | 42° | 32° | 37° | — | — |
| 1981coldest | 17° | -7° | 5° | 0.25" | — |
| 1980 | 22° | 4° | 13° | — | — |
| 1979 | 47° | 26° | 36° | — | — |
| 1978 | 44° | 34° | 39° | 0.18" | — |
| 1977 | 50° | 35° | 43° | — | — |
| 1976 | 57° | 29° | 43° | 0.25" | — |
| 1975 | 36° | 15° | 25° | — | — |
| 1974 | 38° | 24° | 31° | — | — |
| 1973 | 33° | 22° | 27° | 1.96" | — |
| 1972 | 42° | 34° | 38° | 0.91" | — |
| 1971 | 43° | 30° | 36° | 0.38" | — |
55 years of data from INDIANAPOLIS SE SIDE