Weather on May 21
Louisville, KY
55 Years of Data
Avg High
78°F
Avg Low
58°F
Warmest
2004
80°F avg
Coldest
2002
49°F avg
About This Date
May 21st in Louisville, KY typically brings pleasant spring weather, with average highs around 78°F and lows near 58°F. Over 55 years of records, the warmest May 21st was in 2004 (80°F average), while the coldest was 2002 (49°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 35% of May 21st dates historically, with the wettest May 21st recording 5.51" of rain. The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
Planning for May 21st in Louisville, KY? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | 58° | 63° | 0.03" | — |
| 2024 | 87° | 66° | 77° | — | — |
| 2023 | 76° | 47° | 61° | — | — |
| 2022 | 89° | 69° | 79° | 0.41" | — |
| 2021 | 85° | 60° | 72° | — | — |
| 2020 | 71° | 54° | 62° | — | — |
| 2019 | 76° | 54° | 65° | — | — |
| 2018 | 87° | 67° | 77° | 0.05" | — |
| 2017 | 82° | 65° | 73° | 2.16" | — |
| 2016 | 71° | 52° | 61° | 0.25" | — |
| 2015 | 61° | 47° | 54° | — | — |
| 2014 | 86° | 66° | 76° | 0.86" | — |
| 2013 | 84° | 68° | 76° | 0.13" | — |
| 2012 | 81° | 65° | 73° | 0.08" | — |
| 2011 | 86° | 63° | 74° | 1.78" | — |
| 2010 | 78° | 62° | 70° | 3.94" | — |
| 2009 | 84° | 54° | 69° | — | — |
| 2008 | 72° | 47° | 59° | — | — |
| 2007 | 83° | 54° | 68° | — | — |
| 2006 | 80° | 49° | 64° | — | — |
| 2005 | 77° | 55° | 66° | — | — |
| 2004warmest | 86° | 74° | 80° | — | — |
| 2003 | 67° | 52° | 59° | — | — |
| 2002coldest | 59° | 40° | 49° | — | — |
| 2001 | 77° | 62° | 70° | 1.73" | — |
| 2000 | 69° | 53° | 61° | — | — |
| 1999 | 83° | 56° | 69° | — | — |
| 1998 | 84° | 66° | 75° | 0.03" | — |
| 1997 | 66° | 49° | 57° | — | — |
| 1996 | 80° | 65° | 72° | — | — |
| 1995 | 69° | 57° | 63° | 0.43" | — |
| 1994 | 80° | 48° | 64° | — | — |
| 1993 | 67° | 49° | 58° | 0.03" | — |
| 1992 | 82° | 65° | 73° | — | — |
| 1991 | 83° | 67° | 75° | — | — |
| 1990 | 71° | 55° | 63° | 5.51" | — |
| 1989 | 82° | 56° | 69° | — | — |
| 1988 | 88° | 60° | 74° | — | — |
| 1987 | 86° | 68° | 77° | — | — |
| 1986 | 63° | 45° | 54° | — | — |
| 1985 | 79° | 59° | 69° | — | — |
| 1984 | 83° | 66° | 74° | — | — |
| 1983 | 76° | 60° | 68° | 1.07" | — |
| 1982 | 85° | 62° | 73° | 0.28" | — |
| 1981 | 76° | 45° | 60° | — | — |
| 1980 | 79° | 56° | 67° | — | — |
| 1979 | 72° | 56° | 64° | — | — |
| 1978 | 78° | 59° | 69° | — | — |
| 1977 | 87° | 65° | 76° | — | — |
| 1976 | 85° | 62° | 73° | 0.1" | — |
| 1975 | 88° | 70° | 79° | — | — |
| 1974 | 85° | 67° | 76° | 0.05" | — |
| 1973 | 77° | 47° | 62° | — | — |
| 1972 | 83° | 54° | 68° | — | — |
| 1971 | 75° | 49° | 62° | — | — |
55 years of data from LOUISVILLE BOWMAN FLD