Weather on July 1 at Indiana Dunes
Indiana Dunes National Park
Based on 56 years of data from Gary, IN
Planning Your Visit
July 1st in Indiana Dunes National Park (via Gary, IN) typically brings warm summer weather, with average highs around 82°F and lows near 62°F. Over 56 years of records, the warmest July 1st was in 2026 (87°F average), while the coldest was 2024 (57°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 21% of July 1st dates historically, with the wettest July 1st recording 2.49" of rain. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for July 1st in Indiana Dunes? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 96°F | 78°F | 0" | 0" |
| 2025 | 88°F | 71°F | 0" | 0" |
| 2024 | 66°F | 49°F | 0" | 0" |
| 2023 | 86°F | 67°F | 0.03" | 0" |
| 2022 | 91°F | 70°F | 0" | 0" |
| 2021 | 80°F | 65°F | 2.08" | 0" |
| 2020 | 87°F | 69°F | 0" | 0" |
| 2019 | 88°F | 68°F | -- | -- |
| 2018 | 91°F | 74°F | -- | -- |
| 2017 | 83°F | 67°F | 0.48" | 0" |
| 2016 | 78°F | 64°F | 0" | 0" |
| 2015 | 76°F | 56°F | 0" | 0" |
| 2014 | 85°F | 64°F | -- | 0" |
| 2013 | 72°F | 60°F | 0" | 0" |
| 2012 | 87°F | 67°F | 0.64" | 0" |
| 2011 | 87°F | 65°F | 2.49" | 0" |
| 2010 | 73°F | 49°F | 0" | 0" |
| 2009 | 66°F | 58°F | 0.41" | 0" |
| 2008 | 71°F | 53°F | 0" | 0" |
| 2007 | 73°F | 55°F | 0" | 0" |
| 2006 | 83°F | 64°F | 0" | 0" |
| 2005 | 91°F | 68°F | 0" | 0" |
| 2004 | 82°F | 58°F | 0" | 0" |
| 2003 | 82°F | 59°F | 0" | 0" |
| 2002 | 90°F | 71°F | 0.2" | 0" |
| 2001 | 87°F | 69°F | 0" | 0" |
| 2000 | 79°F | 58°F | 0" | 0" |
| 1999 | 79°F | 64°F | 0" | 0" |
| 1998 | 87°F | 62°F | 0" | 0" |
| 1997 | 89°F | 70°F | -- | 0" |
| 1996 | 85°F | 63°F | 0" | 0" |
| 1995 | 71°F | 49°F | 0" | 0" |
| 1994 | 78°F | 64°F | 0" | 0" |
| 1993 | 75°F | 59°F | 0.15" | 0" |
| 1992 | 91°F | 57°F | 0" | 0" |
| 1991 | 95°F | 69°F | 0" | 0" |
| 1990 | 91°F | 64°F | 0" | 0" |
| 1989 | 86°F | 71°F | 0" | 0" |
| 1988 | 81°F | 59°F | 0" | 0" |
| 1987 | 73°F | 61°F | 0" | 0" |
| 1986 | 77°F | 57°F | 0.74" | 0" |
| 1985 | 79°F | 56°F | 0" | 0" |
| 1984 | 75°F | 53°F | 0" | 0" |
| 1983 | 87°F | 60°F | 0.71" | 0" |
| 1982 | 74°F | 45°F | 0" | 0" |
| 1981 | 73°F | 62°F | 0" | 0" |
| 1980 | 87°F | 59°F | 0" | 0" |
| 1979 | 71°F | 56°F | 0.1" | 0" |
| 1978 | 86°F | 66°F | 0.38" | 0" |
| 1977 | 80°F | 59°F | 0" | 0" |
| 1976 | 78°F | 54°F | 0" | 0" |
| 1975 | 87°F | 63°F | 0" | 0" |
| 1974 | 91°F | 56°F | 0" | 0" |
| 1973 | 86°F | 57°F | 0" | 0" |
| 1972 | 87°F | 55°F | 0" | 0" |
| 1971 | 84°F | 69°F | 0" | 0" |