Weather on May 21
Cincinnati, OH
55 Years of Data
Avg High
77°F
Avg Low
55°F
Warmest
1975
80°F avg
Coldest
2002
45°F avg
About This Date
May 21st in Cincinnati, OH typically brings pleasant spring weather, with average highs around 77°F and lows near 55°F. Over 55 years of records, the warmest May 21st was in 1975 (80°F average), while the coldest was 2002 (45°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 27% of May 21st dates historically, with the wettest May 21st recording 3.56" of rain. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
Planning for May 21st in Cincinnati, OH? Great weather for outdoor activities.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 57° | 65° | 0.08" | — |
| 2024 | 88° | 61° | 74° | — | — |
| 2023 | 77° | 43° | 60° | — | — |
| 2022 | 87° | 63° | 75° | 1.73" | — |
| 2021 | 85° | 55° | 70° | — | — |
| 2020 | 63° | 54° | 58° | 0.41" | — |
| 2019 | 71° | 49° | 60° | — | — |
| 2018 | 87° | 64° | 76° | 2.59" | — |
| 2017 | 78° | 59° | 69° | 1.88" | — |
| 2016 | 70° | 54° | 62° | 0.86" | — |
| 2015 | 60° | 42° | 51° | — | — |
| 2014 | 78° | 57° | 68° | — | — |
| 2013 | 86° | 66° | 76° | — | — |
| 2012 | 86° | 62° | 74° | — | — |
| 2011 | 79° | 53° | 66° | — | — |
| 2010 | 73° | 54° | 63° | 0.3" | — |
| 2009 | 82° | 55° | 69° | — | — |
| 2008 | 63° | 46° | 54° | — | — |
| 2007 | 81° | 53° | 67° | — | — |
| 2006 | 68° | 45° | 56° | — | — |
| 2005 | 63° | 48° | 55° | — | — |
| 2004 | 83° | 68° | 75° | — | — |
| 2003 | 70° | 51° | 60° | 0.81" | — |
| 2002coldest | 55° | 36° | 45° | — | — |
| 2001 | 79° | 54° | 66° | — | — |
| 2000 | 72° | 50° | 61° | — | — |
| 1999 | 83° | 53° | 68° | — | — |
| 1998 | 84° | 60° | 72° | — | — |
| 1997 | 68° | 42° | 55° | — | — |
| 1996 | 86° | 64° | 75° | — | — |
| 1995 | 77° | 57° | 67° | — | — |
| 1994 | 79° | 43° | 61° | — | — |
| 1993 | 64° | 43° | 53° | 0.36" | — |
| 1992 | 84° | 60° | 72° | — | — |
| 1991 | 85° | 59° | 72° | — | — |
| 1990 | 74° | 51° | 62° | 0.08" | — |
| 1989 | 82° | 50° | 66° | — | — |
| 1988 | 86° | 59° | 73° | — | — |
| 1987 | 90° | 66° | 78° | 0.46" | — |
| 1986 | 56° | 51° | 53° | — | — |
| 1985 | 68° | 57° | 63° | 0.03" | — |
| 1984 | 81° | 62° | 71° | 0.41" | — |
| 1983 | 72° | 60° | 66° | 1.02" | — |
| 1982 | 78° | 57° | 68° | 3.56" | — |
| 1981 | 78° | 45° | 61° | — | — |
| 1980 | 77° | 56° | 66° | — | — |
| 1979 | 71° | 55° | 63° | — | — |
| 1978 | 69° | 52° | 60° | — | — |
| 1977 | 88° | 64° | 76° | — | — |
| 1976 | 84° | 60° | 72° | — | — |
| 1975warmest | 91° | 68° | 80° | — | — |
| 1974 | 87° | 63° | 75° | — | — |
| 1973 | 76° | 50° | 63° | — | — |
| 1972 | 84° | 60° | 72° | — | — |
| 1971 | 76° | 53° | 64° | — | — |
55 years of data from CINCINNATI ABBE WSMO