Weather on December 15
Indianapolis, IN
55 Years of Data
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.
| 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" | — |
Indianapolis, IN Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Indianapolis, IN Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Indianapolis, IN Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Indianapolis, IN
Indianapolis, IN has no months that meet our "pleasant" threshold — every season has tradeoffs.