Weather on May 31
Dayton, OH
55 Years of Data
Avg High
81°F
Avg Low
60°F
Warmest
2011
84°F avg
Coldest
1984
52°F avg
About This Date
May 31st in Dayton, OH typically brings warm spring weather, with average highs around 81°F and lows near 60°F. Over 55 years of records, the warmest May 31st was in 2011 (84°F average), while the coldest was 1984 (52°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 40% of May 31st dates historically, with the wettest May 31st recording 3.07" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for May 31st in Dayton, OH? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | 53° | 61° | — | — |
| 2024 | 76° | 50° | 63° | — | — |
| 2023 | 87° | 63° | 75° | — | — |
| 2022 | 89° | 71° | 80° | — | — |
| 2021 | 67° | 50° | 58° | — | — |
| 2020 | 79° | 53° | 66° | — | — |
| 2019 | 81° | 64° | 72° | 0.33" | — |
| 2018 | 88° | 70° | 79° | 3" | — |
| 2017 | 82° | 57° | 70° | — | — |
| 2016 | 88° | 57° | 72° | — | — |
| 2015 | 88° | 67° | 77° | 0.51" | — |
| 2014 | 85° | 60° | 72° | — | — |
| 2013 | 88° | 72° | 80° | — | — |
| 2012 | 84° | 54° | 69° | — | — |
| 2011warmest | 95° | 74° | 84° | — | — |
| 2010 | 92° | 68° | 80° | — | — |
| 2009 | 80° | 60° | 70° | 0.05" | — |
| 2008 | 84° | 62° | 73° | 2.01" | — |
| 2007 | 92° | 65° | 78° | 0.58" | — |
| 2006 | 94° | 73° | 83° | — | — |
| 2005 | 76° | 54° | 65° | 0.84" | — |
| 2004 | 74° | 59° | 66° | 3.02" | — |
| 2003 | 70° | 55° | 62° | 0.86" | — |
| 2002 | 86° | 66° | 76° | 0.05" | — |
| 2001 | 71° | 52° | 61° | — | — |
| 2000 | 79° | 56° | 67° | — | — |
| 1999 | 91° | 66° | 79° | 0.53" | — |
| 1998 | 91° | 60° | 76° | — | — |
| 1997 | 70° | 60° | 65° | 0.56" | — |
| 1996 | 73° | 46° | 60° | — | — |
| 1995 | 77° | 53° | 65° | — | — |
| 1994 | 87° | 66° | 77° | 0.79" | — |
| 1993 | 85° | 54° | 69° | 0.76" | — |
| 1992 | 65° | 50° | 57° | 0.13" | — |
| 1991 | 92° | 73° | 82° | — | — |
| 1990 | 71° | 47° | 59° | — | — |
| 1989 | 90° | 69° | 79° | — | — |
| 1988 | 92° | 66° | 79° | — | — |
| 1987 | 91° | 67° | 79° | 0.28" | — |
| 1986 | 82° | 66° | 74° | — | — |
| 1985 | 86° | 62° | 74° | — | — |
| 1984coldest | 63° | 42° | 52° | — | — |
| 1983 | 63° | 46° | 54° | — | — |
| 1982 | 78° | 64° | 71° | — | — |
| 1981 | 73° | 58° | 65° | 1.45" | — |
| 1980 | 84° | 66° | 75° | — | — |
| 1979 | 86° | 64° | 75° | 0.58" | — |
| 1978 | 83° | 65° | 74° | — | — |
| 1977 | 87° | 64° | 76° | — | — |
| 1976 | 80° | 61° | 70° | 2.08" | — |
| 1975 | 82° | 68° | 75° | — | — |
| 1974 | 81° | 64° | 72° | 0.1" | — |
| 1973 | 69° | 51° | 60° | 0.03" | — |
| 1972 | 69° | 46° | 58° | 3.07" | — |
| 1971 | 79° | 54° | 66° | — | — |
55 years of data from DAYTON MCD