Weather on July 23 at Indiana Dunes
Indiana Dunes National Park
Based on 55 years of data from Gary, IN
Planning Your Visit
July 23rd in Indiana Dunes National Park (via Gary, IN) typically brings warm summer weather, with average highs around 84°F and lows near 65°F. Over 55 years of records, the warmest July 23rd was in 1991 (87°F average), while the coldest was 2000 (61°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 27% of July 23rd dates historically, with the wettest July 23rd recording 5.94" of rain. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
Planning for July 23rd in Indiana Dunes? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 88°F | 71°F | 0" | 0" |
| 2024 | 78°F | 61°F | 0" | 0" |
| 2023 | 83°F | 63°F | 0.46" | 0" |
| 2022 | 90°F | 67°F | -- | 0" |
| 2021 | 83°F | 65°F | 0" | 0" |
| 2020 | 87°F | 70°F | 0" | 0" |
| 2019 | 71°F | 56°F | 0" | 0" |
| 2018 | 82°F | 63°F | -- | -- |
| 2017 | 84°F | 69°F | 0" | 0" |
| 2016 | 90°F | 75°F | 0" | 0" |
| 2015 | 81°F | 60°F | 0" | 0" |
| 2014 | 88°F | 63°F | 0.51" | 0" |
| 2013 | 84°F | 67°F | 0" | 0" |
| 2012 | 85°F | 74°F | 0.03" | 0" |
| 2011 | 89°F | 72°F | 0.53" | 0" |
| 2010 | 87°F | 75°F | 0" | 0" |
| 2009 | 75°F | 62°F | 0" | 0" |
| 2008 | 72°F | 63°F | 0" | 0" |
| 2007 | 80°F | 55°F | 0" | 0" |
| 2006 | 76°F | 59°F | 0" | 0" |
| 2005 | 79°F | 62°F | 0" | 0" |
| 2004 | 87°F | 65°F | 5.94" | 0" |
| 2003 | 68°F | 64°F | 0" | 0" |
| 2002 | 92°F | 70°F | 0.38" | 0" |
| 2001 | 90°F | 71°F | 0.2" | 0" |
| 2000 | 70°F | 52°F | 0" | 0" |
| 1999 | 94°F | 70°F | 1.37" | 0" |
| 1998 | 87°F | 65°F | 0" | 0" |
| 1997 | 76°F | 64°F | -- | 0" |
| 1996 | 78°F | 54°F | 0" | 0" |
| 1995 | 85°F | 69°F | -- | 0" |
| 1994 | 79°F | 64°F | 0" | 0" |
| 1993 | 80°F | 60°F | 0" | 0" |
| 1992 | 75°F | 63°F | 0.25" | 0" |
| 1991 | 100°F | 74°F | 0.86" | 0" |
| 1990 | 76°F | 58°F | 0.2" | 0" |
| 1989 | 85°F | 63°F | 0" | 0" |
| 1988 | 82°F | 61°F | 0" | 0" |
| 1987 | 94°F | 74°F | 0" | 0" |
| 1986 | 90°F | 63°F | 0" | 0" |
| 1985 | 90°F | 55°F | 0" | 0" |
| 1984 | 91°F | 67°F | 0" | 0" |
| 1983 | 99°F | 74°F | 0" | 0" |
| 1982 | 79°F | 63°F | 0" | 0" |
| 1981 | 76°F | 52°F | 0" | 0" |
| 1980 | 87°F | 58°F | 0" | 0" |
| 1979 | 90°F | 62°F | 0" | 0" |
| 1978 | 90°F | 62°F | 1.47" | 0" |
| 1977 | 86°F | 53°F | 0" | 0" |
| 1976 | 91°F | 69°F | 2.87" | 0" |
| 1975 | 87°F | 68°F | 0.08" | 0" |
| 1974 | 70°F | 63°F | 0.08" | 0" |
| 1973 | 84°F | 68°F | 0" | 0" |
| 1972 | 93°F | 73°F | 0" | 0" |
| 1971 | 87°F | 65°F | 0" | 0" |