Weather on December 15
Indianapolis, IN
55 Years of Data
Avg High
41°F
Avg Low
26°F
Warmest
1975
60°F avg
Coldest
2010
9°F avg
About This Date
December 15th in Indianapolis, IN typically brings chilly winter weather, with average highs around 41°F and lows near 26°F. Over 55 years of records, the warmest December 15th was in 1975 (60°F average), while the coldest was 2010 (9°F) — a 51°F range across recorded history. Precipitation has occurred on 44% of recorded December 15th dates, with snow falling 5% of the time (heaviest snowfall: 4.8"). The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for December 15th in Indianapolis, IN? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 24° | -5° | 10° | — | — |
| 2024 | 49° | 40° | 44° | 0.61" | — |
| 2023 | 54° | 26° | 40° | — | — |
| 2022 | 52° | 33° | 42° | 0.61" | — |
| 2021 | 63° | 47° | 55° | 0.1" | — |
| 2020 | 32° | 23° | 28° | — | — |
| 2019 | 31° | 25° | 28° | 1.02" | 4.8" |
| 2018 | 43° | 37° | 40° | 0.74" | — |
| 2017 | 32° | 20° | 26° | — | — |
| 2016 | 14° | 3° | 9° | — | — |
| 2015 | 43° | 37° | 40° | 0.08" | — |
| 2014 | 44° | 41° | 43° | 0.05" | — |
| 2013 | 27° | 18° | 22° | — | 0.1" |
| 2012 | 52° | 30° | 41° | 0.03" | — |
| 2011 | 57° | 43° | 50° | 3.25" | — |
| 2010coldest | 21° | -3° | 9° | — | — |
| 2009 | 55° | 29° | 42° | — | — |
| 2008 | 54° | 27° | 40° | 0.64" | — |
| 2007 | 36° | 27° | 31° | — | — |
| 2006 | 59° | 43° | 51° | — | — |
| 2005 | 35° | 27° | 31° | 0.28" | — |
| 2004 | 28° | 16° | 22° | — | — |
| 2003 | 30° | 24° | 27° | — | — |
| 2002 | 38° | 29° | 33° | — | — |
| 2001 | 45° | 34° | 39° | 1.27" | — |
| 2000 | 26° | 7° | 16° | — | — |
| 1999 | 42° | 35° | 39° | 0.03" | — |
| 1998 | 48° | 24° | 36° | — | — |
| 1997 | 37° | 18° | 27° | — | — |
| 1996 | 33° | — | — | — | — |
| 1995 | 44° | 23° | 34° | — | — |
| 1994 | 38° | 28° | 33° | — | — |
| 1993 | 40° | 34° | 37° | — | — |
| 1992 | 54° | 38° | 46° | 0.23" | — |
| 1991 | 35° | 14° | 25° | — | — |
| 1990 | 41° | 23° | 32° | 1.85" | — |
| 1989 | 15° | 7° | 11° | 0.46" | 2.8" |
| 1988 | 31° | 12° | 21° | — | — |
| 1987 | 54° | 33° | 43° | 3.94" | — |
| 1986 | 44° | 10° | 27° | — | — |
| 1985 | 19° | 0° | 10° | — | — |
| 1984 | 65° | 53° | 59° | — | — |
| 1983 | 43° | 25° | 34° | 0.38" | — |
| 1982 | 47° | 35° | 41° | 1.04" | — |
| 1981 | 39° | 26° | 33° | — | — |
| 1980 | 39° | 25° | 32° | — | — |
| 1979 | 41° | 22° | 31° | — | — |
| 1978 | 39° | 21° | 30° | — | — |
| 1977 | 42° | 30° | 36° | 0.33" | — |
| 1976 | 48° | 22° | 35° | — | — |
| 1975warmest | 69° | 50° | 60° | 2.79" | — |
| 1974 | 46° | 32° | 39° | 0.33" | — |
| 1973 | 33° | 26° | 30° | 0.41" | — |
| 1972 | 30° | 21° | 26° | — | — |
| 1971 | 64° | 36° | 50° | 3.43" | — |
55 years of data from INDIANAPOLIS SE SIDE