Weather on May 23 at Indiana Dunes
Indiana Dunes National Park
Based on 55 years of data from Gary, IN
Planning Your Visit
May 23rd in Indiana Dunes National Park (via Gary, IN) typically brings pleasant spring weather, with average highs around 72°F and lows near 51°F. Over 55 years of records, the warmest May 23rd was in 1977 (77°F average), while the coldest was 2006 (46°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 35% of May 23rd dates historically, with the wettest May 23rd recording 3.15" 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 23rd in Indiana Dunes? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 57°F | 38°F | 0" | 0" |
| 2024 | 76°F | 51°F | 0" | 0" |
| 2023 | 77°F | 58°F | 0" | 0" |
| 2022 | 59°F | 42°F | -- | 0" |
| 2021 | 79°F | 58°F | -- | -- |
| 2020 | 82°F | 56°F | -- | -- |
| 2019 | 82°F | 56°F | 0.36" | 0" |
| 2018 | 58°F | 46°F | 0" | 0" |
| 2017 | 73°F | 54°F | 0.03" | 0" |
| 2016 | 68°F | 47°F | 0" | 0" |
| 2015 | 63°F | 51°F | 0" | 0" |
| 2014 | 62°F | 45°F | 0" | 0" |
| 2013 | 75°F | 45°F | 0.56" | 0" |
| 2012 | 62°F | 44°F | 0" | 0" |
| 2011 | 86°F | 65°F | 0.28" | 0" |
| 2010 | 86°F | 47°F | 0" | 0" |
| 2009 | 70°F | 50°F | 0" | 0" |
| 2008 | 51°F | 44°F | 0" | 0" |
| 2007 | 86°F | 60°F | 0" | 0" |
| 2006 | 57°F | 36°F | 0" | 0" |
| 2005 | 78°F | 56°F | 0" | 0" |
| 2004 | 83°F | 59°F | 0.76" | 0" |
| 2003 | 59°F | 40°F | -- | -- |
| 2002 | 67°F | 50°F | 0" | 0" |
| 2001 | 63°F | 43°F | 0.08" | 0" |
| 2000 | 78°F | 57°F | 0.61" | 0" |
| 1999 | 70°F | 45°F | 2.16" | 0" |
| 1998 | 65°F | 53°F | 0" | 0" |
| 1997 | 74°F | 50°F | -- | 0" |
| 1996 | 65°F | 46°F | 0.69" | 0" |
| 1995 | 77°F | 43°F | 2.79" | 0" |
| 1994 | 86°F | 59°F | 0" | 0" |
| 1993 | 73°F | 56°F | 1.07" | 0" |
| 1992 | 79°F | 42°F | 0.13" | 0" |
| 1991 | 78°F | 67°F | 0.41" | 0" |
| 1990 | 68°F | 41°F | 0" | 0" |
| 1989 | 79°F | 52°F | 0" | 0" |
| 1988 | 73°F | 57°F | 3.15" | 0" |
| 1987 | 66°F | 48°F | 0" | 0" |
| 1986 | 62°F | 42°F | 0" | 0" |
| 1985 | 70°F | 49°F | 0" | 0" |
| 1984 | 69°F | 52°F | 1.12" | 0" |
| 1983 | 71°F | 52°F | 0" | 0" |
| 1982 | 60°F | 50°F | 0.05" | 0" |
| 1981 | 79°F | 55°F | 0" | 0" |
| 1980 | 79°F | 52°F | 0" | 0" |
| 1979 | 62°F | 44°F | 0.18" | 0" |
| 1978 | 70°F | 58°F | 0.97" | 0" |
| 1977 | 89°F | 64°F | 0" | 0" |
| 1976 | 53°F | 43°F | 0" | 0" |
| 1975 | 86°F | 57°F | 0" | 0" |
| 1974 | 75°F | 54°F | 0" | 0" |
| 1973 | 65°F | 50°F | 0.56" | 0" |
| 1972 | 84°F | 53°F | 0" | 0" |
| 1971 | 77°F | 50°F | 0" | 0" |