Weather on January 21
Indianapolis, IN
55 Years of Data
Avg High
32°F
Avg Low
18°F
Warmest
2017
55°F avg
Coldest
1985
-16°F avg
About This Date
January 21st in Indianapolis, IN typically brings cold winter weather, with average highs around 32°F and lows near 18°F. Over 56 years of records, the warmest January 21st was in 2017 (55°F average), while the coldest was 1985 (-16°F) — a 71°F range across recorded history. Precipitation has occurred on 36% of recorded January 21st dates, with snow falling 11% of the time (heaviest snowfall: 3.5"). The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for January 21st in Indianapolis, IN? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Cooling Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 44° | 21° | 33° | — | — |
| 2025 | 7° | -5° | 1° | — | — |
| 2024 | 24° | -3° | 11° | — | — |
| 2023 | 32° | 27° | 29° | — | — |
| 2022 | 24° | 13° | 18° | — | — |
| 2021 | 47° | 31° | 39° | — | — |
| 2020 | 29° | 19° | 24° | — | — |
| 2019 | 13° | 0° | 6° | — | — |
| 2018 | 50° | 39° | 45° | 0.05" | — |
| 2017warmest | 63° | 48° | 55° | — | — |
| 2016 | 27° | 8° | 17° | — | — |
| 2015 | 45° | 33° | 39° | — | — |
| 2014 | 32° | -1° | 16° | 0.13" | 1" |
| 2013 | 28° | 18° | 23° | — | — |
| 2012 | 22° | 11° | 16° | 0.66" | — |
| 2011 | 22° | -2° | 10° | 0.36" | 3.5" |
| 2010 | 32° | 26° | 29° | 0.1" | — |
| 2009 | 20° | 10° | 15° | — | — |
| 2008 | 15° | 0° | 8° | — | — |
| 2007 | 32° | 17° | 25° | 0.76" | 3" |
| 2006 | 57° | 35° | 46° | 0.2" | — |
| 2005 | 29° | 12° | 20° | 0.36" | 1.5" |
| 2004 | 24° | 13° | 18° | — | — |
| 2003 | 26° | 14° | 20° | — | — |
| 2002 | 33° | 26° | 30° | — | — |
| 2001 | 27° | 13° | 20° | — | — |
| 2000 | 18° | -3° | 8° | 0.03" | — |
| 1999 | 50° | 32° | 41° | 0.43" | — |
| 1998 | 29° | 24° | 26° | — | — |
| 1997 | 39° | 25° | 32° | — | — |
| 1996 | 36° | 14° | 25° | — | — |
| 1995 | 22° | 19° | 20° | 0.03" | — |
| 1994 | 18° | -15° | 2° | — | 1.5" |
| 1993 | 47° | 32° | 39° | 0.56" | — |
| 1992 | 48° | 32° | 40° | — | — |
| 1991 | 38° | 13° | 25° | 0.33" | 1.2" |
| 1990 | 47° | 35° | 41° | 0.36" | — |
| 1989 | 37° | 20° | 28° | — | — |
| 1988 | 46° | 31° | 38° | — | — |
| 1987 | 28° | 12° | 20° | — | — |
| 1986 | 28° | 38° | 33° | — | — |
| 1985coldest | -12° | -21° | -16° | — | — |
| 1984 | 3° | -13° | -5° | — | — |
| 1983 | 31° | 18° | 24° | — | — |
| 1982 | 35° | 28° | 32° | 0.08" | — |
| 1981 | 42° | 34° | 38° | — | — |
| 1980 | 40° | 25° | 32° | 0.03" | — |
| 1979 | 39° | 32° | 36° | 1.07" | — |
| 1978 | 25° | 19° | 22° | 0.05" | — |
| 1977 | 24° | 10° | 17° | — | — |
| 1976 | 31° | 13° | 22° | 0.23" | — |
| 1975 | 26° | 14° | 20° | — | — |
| 1974 | 57° | 38° | 47° | 0.91" | — |
| 1973 | 33° | 27° | 30° | — | — |
| 1972 | 52° | 32° | 42° | — | — |
| 1971 | 33° | 8° | 21° | — | — |
56 years of data from INDIANAPOLIS SE SIDE