Weather on December 21
Fishers, IN
55 Years of Data
Avg High
39°F
Avg Low
21°F
Warmest
2013
47°F avg
Coldest
1989
3°F avg
About This Date
December 21st in Fishers, IN typically brings cold winter weather, with average highs around 39°F and lows near 21°F. Over 55 years of records, the warmest December 21st was in 2013 (47°F average), while the coldest was 1989 (3°F) — a 44°F range across recorded history. Precipitation has occurred on 40% of recorded December 21st dates, with snow falling 15% of the time (heaviest snowfall: 2.9"). The last decade has been 6.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.9°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Fishers, IN? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Warming Trend
1.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 39° | 22° | 30° | — | — |
| 2024 | 33° | 21° | 27° | 0.08" | 0.1" |
| 2023 | 49° | 28° | 38° | — | — |
| 2022 | 41° | 19° | 30° | — | — |
| 2021 | 44° | 23° | 34° | — | — |
| 2020 | 44° | 33° | 39° | — | — |
| 2019 | 42° | 13° | 27° | — | — |
| 2018 | 47° | 40° | 43° | 0.18" | — |
| 2017 | 43° | 26° | 34° | — | — |
| 2016 | 36° | 13° | 24° | — | — |
| 2015 | 47° | 32° | 39° | 0.76" | — |
| 2014 | 36° | 19° | 27° | — | — |
| 2013warmest | 58° | 37° | 47° | 3.18" | — |
| 2012 | 54° | 25° | 39° | 1.7" | 1.5" |
| 2011 | 53° | 38° | 45° | 3.45" | — |
| 2010 | 31° | 19° | 25° | 0.53" | 2.9" |
| 2009 | 31° | 26° | 28° | — | — |
| 2008 | 58° | 8° | 33° | — | — |
| 2007 | 42° | 28° | 35° | — | — |
| 2006 | 45° | 23° | 34° | 1.07" | — |
| 2005 | 29° | 9° | 19° | — | — |
| 2004 | 32° | 5° | 19° | — | — |
| 2003 | 33° | 16° | 24° | — | — |
| 2002 | 42° | 32° | 37° | 0.03" | — |
| 2001 | 45° | 23° | 34° | — | — |
| 2000 | 23° | 3° | 13° | 0.13" | — |
| 1999 | 32° | 12° | 22° | — | — |
| 1998 | 47° | 32° | 39° | 0.36" | — |
| 1997 | 42° | 32° | 37° | — | — |
| 1996 | 20° | 6° | 13° | — | — |
| 1995 | 28° | 8° | 18° | — | — |
| 1994 | 47° | 29° | 38° | — | — |
| 1993 | 37° | 27° | 32° | 0.61" | 0.8" |
| 1992 | 29° | 17° | 23° | — | — |
| 1991 | 39° | 27° | 33° | 0.61" | — |
| 1990 | 53° | 34° | 43° | 0.25" | — |
| 1989coldest | 14° | -8° | 3° | 0.05" | 0.3" |
| 1988 | 60° | 29° | 44° | — | — |
| 1987 | 37° | 23° | 30° | — | — |
| 1986 | 42° | 35° | 39° | — | — |
| 1985 | 19° | 1° | 10° | — | — |
| 1984 | 39° | 27° | 33° | 0.36" | — |
| 1983 | 25° | 24° | 24° | 0.13" | 0.5" |
| 1982 | 33° | 27° | 30° | — | — |
| 1981 | 24° | -7° | 9° | 0.38" | 1.3" |
| 1980 | 20° | 1° | 10° | — | — |
| 1979 | 45° | 24° | 34° | — | — |
| 1978 | 60° | 27° | 43° | 0.94" | — |
| 1977 | 36° | 19° | 27° | 0.03" | — |
| 1976 | 34° | 3° | 18° | 0.1" | 0.5" |
| 1975 | 37° | 21° | 29° | — | — |
| 1974 | 40° | 26° | 33° | 0.15" | — |
| 1973 | 26° | 3° | 15° | — | — |
| 1972 | 38° | 33° | 35° | — | — |
| 1971 | 43° | 23° | 33° | — | — |
55 years of data from OAKLANDON GEIST RSVR