Weather on December 21
Louisville, KY
55 Years of Data
Avg High
44°F
Avg Low
28°F
Warmest
2013
64°F avg
Coldest
1989
3°F avg
About This Date
December 21st in Louisville, KY typically brings chilly winter weather, with average highs around 44°F and lows near 28°F. Over 55 years of records, the warmest December 21st was in 2013 (64°F average), while the coldest was 1989 (3°F) — a 61°F range across recorded history. Precipitation has occurred on 31% of recorded December 21st dates, with snow falling 2% of the time (heaviest snowfall: 1.7"). The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Louisville, KY? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
2.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 45° | 26° | 35° | — | — |
| 2024 | 37° | 25° | 31° | — | — |
| 2023 | 52° | 32° | 42° | — | — |
| 2022 | 47° | 22° | 35° | — | — |
| 2021 | 50° | 28° | 39° | — | — |
| 2020 | 53° | 35° | 44° | — | — |
| 2019 | 53° | 28° | 41° | — | — |
| 2018 | 47° | 38° | 42° | 0.13" | — |
| 2017 | 57° | 28° | 43° | — | — |
| 2016 | 43° | 24° | 34° | — | — |
| 2015 | 59° | 47° | 53° | 0.99" | — |
| 2014 | 43° | 21° | 32° | — | — |
| 2013warmest | 70° | 59° | 64° | 6.63" | — |
| 2012 | 36° | 27° | 32° | — | — |
| 2011 | 62° | 49° | 55° | 1.3" | — |
| 2010 | 40° | 34° | 37° | 0.03" | — |
| 2009 | 36° | 32° | 34° | — | — |
| 2008 | 38° | 7° | 23° | — | — |
| 2007 | 57° | 45° | 51° | 0.1" | — |
| 2006 | 57° | 49° | 53° | 0.76" | — |
| 2005 | 38° | 19° | 28° | — | — |
| 2004 | 52° | 28° | 40° | 0.43" | — |
| 2003 | 50° | 24° | 37° | — | — |
| 2002 | 51° | 37° | 44° | — | — |
| 2001 | 51° | 28° | 40° | — | — |
| 2000 | 30° | 9° | 19° | 0.03" | — |
| 1999 | 29° | 22° | 25° | — | — |
| 1998 | 65° | 34° | 49° | 3.28" | — |
| 1997 | 45° | 36° | 40° | 0.74" | — |
| 1996 | 41° | 16° | 28° | — | — |
| 1995 | 28° | 24° | 26° | — | — |
| 1994 | 56° | 30° | 43° | — | — |
| 1993 | 34° | 29° | 31° | — | — |
| 1992 | 44° | 23° | 34° | — | — |
| 1991 | 47° | 37° | 42° | 0.53" | — |
| 1990 | 63° | 55° | 59° | 1.55" | — |
| 1989coldest | 14° | -9° | 3° | — | — |
| 1988 | 59° | 32° | 46° | 1.6" | — |
| 1987 | 42° | 26° | 34° | — | — |
| 1986 | 38° | 20° | 29° | — | — |
| 1985 | 23° | 6° | 15° | — | — |
| 1984 | 62° | 42° | 52° | 5.51" | — |
| 1983 | 44° | 26° | 35° | 1.7" | — |
| 1982 | 42° | 29° | 35° | — | — |
| 1981 | 35° | 22° | 28° | 1.52" | 1.7" |
| 1980 | 28° | 12° | 20° | — | — |
| 1979 | 52° | 31° | 41° | — | — |
| 1978 | 42° | 29° | 35° | — | — |
| 1977 | 29° | 24° | 26° | — | — |
| 1976 | 22° | 10° | 16° | — | — |
| 1975 | 34° | 22° | 28° | — | — |
| 1974 | 41° | 34° | 37° | — | — |
| 1973 | 26° | 16° | 21° | — | — |
| 1972 | 44° | 37° | 41° | — | — |
| 1971 | 47° | 34° | 40° | — | — |
55 years of data from LOUISVILLE BOWMAN FLD