Weather on May 18
Dayton, OH
55 Years of Data
Avg High
75°F
Avg Low
55°F
Warmest
1977
79°F avg
Coldest
2002
48°F avg
About This Date
May 18th in Dayton, OH typically brings pleasant spring weather, with average highs around 75°F and lows near 55°F. Over 55 years of records, the warmest May 18th was in 1977 (79°F average), while the coldest was 2002 (48°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 47% of May 18th dates historically, with the wettest May 18th recording 9.91" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for May 18th in Dayton, OH? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 56° | 64° | — | — |
| 2024 | 81° | 59° | 70° | — | — |
| 2023 | 74° | 40° | 57° | — | — |
| 2022 | 72° | 57° | 64° | 0.53" | — |
| 2021 | 77° | 57° | 67° | — | — |
| 2020 | 86° | 70° | 78° | 0.76" | — |
| 2019 | 87° | 66° | 77° | — | — |
| 2018 | 84° | 64° | 74° | 0.38" | — |
| 2017 | 88° | 71° | 79° | — | — |
| 2016 | 58° | 50° | 54° | 0.53" | — |
| 2015 | 85° | 71° | 78° | 0.1" | — |
| 2014 | 59° | 44° | 52° | 0.1" | — |
| 2013 | 83° | 62° | 72° | — | — |
| 2012 | 72° | 47° | 59° | — | — |
| 2011 | 51° | 46° | 49° | 1.32" | — |
| 2010 | 60° | 54° | 57° | 0.89" | — |
| 2009 | 63° | 41° | 52° | — | — |
| 2008 | 74° | 51° | 62° | 0.36" | — |
| 2007 | 57° | 42° | 50° | 0.03" | — |
| 2006 | 75° | 50° | 63° | 3.12" | — |
| 2005 | 68° | 48° | 58° | — | — |
| 2004 | 83° | 62° | 72° | 0.08" | — |
| 2003 | 61° | 56° | 58° | 0.99" | — |
| 2002coldest | 55° | 41° | 48° | 0.66" | — |
| 2001 | 84° | 68° | 76° | 1.09" | — |
| 2000 | 85° | 56° | 70° | 0.33" | — |
| 1999 | 92° | 66° | 79° | 0.43" | — |
| 1998 | 90° | 58° | 74° | — | — |
| 1997 | 80° | 56° | 68° | — | — |
| 1996 | 83° | 68° | 75° | — | — |
| 1995 | 75° | 62° | 69° | 2.95" | — |
| 1994 | 70° | 46° | 58° | — | — |
| 1993 | 75° | 55° | 65° | — | — |
| 1992 | 87° | 67° | 77° | 0.33" | — |
| 1991 | 87° | 54° | 70° | 9.91" | — |
| 1990 | 69° | 54° | 61° | — | — |
| 1989 | 79° | 50° | 64° | — | — |
| 1988 | 76° | 52° | 64° | — | — |
| 1987 | 91° | 55° | 73° | — | — |
| 1986 | 88° | 69° | 78° | 0.38" | — |
| 1985 | 59° | 46° | 53° | 0.1" | — |
| 1984 | 66° | 48° | 57° | — | — |
| 1983 | 69° | 46° | 58° | — | — |
| 1982 | 88° | 63° | 75° | — | — |
| 1981 | 73° | 48° | 61° | 0.05" | — |
| 1980 | 63° | 58° | 60° | 2.29" | — |
| 1979 | 76° | 51° | 63° | — | — |
| 1978 | 72° | 48° | 60° | — | — |
| 1977warmest | 89° | 69° | 79° | — | — |
| 1976 | 65° | 46° | 55° | 1.09" | — |
| 1975 | 77° | 53° | 65° | — | — |
| 1974 | 88° | 67° | 77° | 3.86" | — |
| 1973 | 59° | 40° | 49° | — | — |
| 1972 | 76° | 54° | 65° | — | — |
| 1971 | 85° | 60° | 72° | — | — |
55 years of data from DAYTON MCD