Weather on May 18
Indianapolis, IN
55 Years of Data
Avg High
72°F
Avg Low
53°F
Warmest
1977
79°F avg
Coldest
2002
45°F avg
About This Date
May 18th in Indianapolis, IN typically brings pleasant spring weather, with average highs around 72°F and lows near 53°F. Over 55 years of records, the warmest May 18th was in 1977 (79°F average), while the coldest was 2002 (45°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 45% of May 18th dates historically, with the wettest May 18th recording 5.16" 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 Indianapolis, IN? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 53° | 63° | — | — |
| 2024 | 79° | 58° | 68° | — | — |
| 2023 | 73° | 41° | 57° | — | — |
| 2022 | 68° | 57° | 63° | 1.52" | — |
| 2021 | 74° | 57° | 65° | 0.05" | — |
| 2020 | 65° | 55° | 60° | 3.43" | — |
| 2019 | 86° | 61° | 73° | — | — |
| 2018 | 71° | 61° | 66° | 0.97" | — |
| 2017 | 86° | 71° | 79° | — | — |
| 2016 | 69° | 47° | 58° | 0.1" | — |
| 2015 | 78° | 67° | 72° | — | — |
| 2014 | 63° | 35° | 49° | — | — |
| 2013 | 83° | 63° | 73° | 0.66" | — |
| 2012 | 74° | 49° | 61° | — | — |
| 2011 | 52° | 42° | 47° | 0.2" | — |
| 2010 | 55° | 51° | 53° | 2.24" | — |
| 2009 | 60° | 34° | 47° | — | — |
| 2008 | 74° | 46° | 60° | — | — |
| 2007 | 56° | 35° | 45° | — | — |
| 2006 | 72° | 45° | 58° | 1.42" | — |
| 2005 | 69° | 47° | 58° | — | — |
| 2004 | 80° | 65° | 72° | 0.2" | — |
| 2003 | 65° | 61° | 63° | 0.23" | — |
| 2002coldest | 52° | 38° | 45° | 0.56" | — |
| 2001 | 77° | 64° | 71° | 1.4" | — |
| 2000 | 73° | 62° | 68° | 0.25" | — |
| 1999 | 84° | 59° | 72° | 1.37" | — |
| 1998 | 82° | 51° | 67° | — | — |
| 1997 | 79° | 56° | 67° | — | — |
| 1996 | 86° | 68° | 77° | — | — |
| 1995 | 58° | 45° | 51° | 2.16" | — |
| 1994 | 68° | 42° | 55° | — | — |
| 1993 | 63° | 40° | 51° | 0.38" | — |
| 1992 | 66° | 55° | 61° | 0.05" | — |
| 1991 | 66° | 53° | 60° | 1.5" | — |
| 1990 | 67° | 51° | 59° | — | — |
| 1989 | 77° | 57° | 67° | — | — |
| 1988 | 74° | 53° | 63° | — | — |
| 1987 | 86° | 50° | 68° | 0.86" | — |
| 1986 | 85° | 65° | 75° | 0.08" | — |
| 1985 | 58° | 43° | 50° | — | — |
| 1984 | 75° | 49° | 62° | — | — |
| 1983 | 69° | 44° | 57° | — | — |
| 1982 | 88° | 61° | 74° | 0.08" | — |
| 1981 | 71° | 45° | 58° | 0.61" | — |
| 1980 | 64° | 60° | 62° | 1.98" | — |
| 1979 | 76° | 51° | 63° | — | — |
| 1978 | 71° | 50° | 61° | — | — |
| 1977warmest | 92° | 66° | 79° | — | — |
| 1976 | 61° | 44° | 52° | — | — |
| 1975 | 78° | 52° | 65° | — | — |
| 1974 | 80° | 60° | 70° | 5.16" | — |
| 1973 | 59° | 38° | 48° | — | — |
| 1972 | 76° | 55° | 65° | — | — |
| 1971 | 85° | 60° | 72° | — | — |
55 years of data from INDIANAPOLIS SE SIDE