Weather on July 9 at Indiana Dunes
Indiana Dunes National Park
Based on 55 years of data from Gary, IN
Planning Your Visit
July 9th in Indiana Dunes National Park (via Gary, IN) typically brings warm summer weather, with average highs around 83°F and lows near 64°F. Over 55 years of records, the warmest July 9th was in 1988 (87°F average), while the coldest was 2023 (61°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 31% of July 9th dates historically, with the wettest July 9th recording 3.63" of rain. The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
Planning for July 9th in Indiana Dunes? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 90°F | 69°F | 2.06" | 0" |
| 2024 | 88°F | 68°F | 0.1" | 0" |
| 2023 | 69°F | 54°F | -- | 0" |
| 2022 | 78°F | 64°F | 0" | 0" |
| 2021 | 65°F | 62°F | 0" | 0" |
| 2020 | 88°F | 70°F | 0" | 0" |
| 2019 | 77°F | 61°F | 0" | 0" |
| 2018 | 83°F | 55°F | -- | -- |
| 2017 | 73°F | 53°F | 0" | 0" |
| 2016 | 89°F | 69°F | 0" | 0" |
| 2015 | 69°F | 56°F | 0.58" | 0" |
| 2014 | 80°F | 60°F | 0" | 0" |
| 2013 | 84°F | 67°F | 2.74" | 0" |
| 2012 | 78°F | 61°F | 0" | 0" |
| 2011 | 78°F | 59°F | 0" | 0" |
| 2010 | 83°F | 71°F | 0.1" | 0" |
| 2009 | 65°F | 61°F | 0.1" | 0" |
| 2008 | 84°F | 67°F | 2.46" | 0" |
| 2007 | 92°F | 71°F | 0" | 0" |
| 2006 | 83°F | 67°F | 0" | 0" |
| 2005 | 78°F | 56°F | 0" | 0" |
| 2004 | 72°F | 56°F | 0" | 0" |
| 2003 | 78°F | 64°F | 0.76" | 0" |
| 2002 | 92°F | 70°F | 0.71" | 0" |
| 2001 | 81°F | 67°F | 0" | 0" |
| 2000 | 85°F | 68°F | 0" | 0" |
| 1999 | 84°F | 74°F | 0" | 0" |
| 1998 | 81°F | 59°F | 0" | 0" |
| 1997 | 84°F | 50°F | -- | 0" |
| 1996 | 86°F | 58°F | 0.03" | 0" |
| 1995 | 81°F | 57°F | 0.41" | 0" |
| 1994 | 83°F | 61°F | 0" | 0" |
| 1993 | 88°F | 75°F | 0" | 0" |
| 1992 | 81°F | 64°F | 0" | 0" |
| 1991 | 79°F | 60°F | 0" | 0" |
| 1990 | 94°F | 73°F | 0" | 0" |
| 1989 | 93°F | 69°F | 0.08" | 0" |
| 1988 | 98°F | 75°F | 0" | 0" |
| 1987 | 90°F | 72°F | 0" | 0" |
| 1986 | 80°F | 64°F | 3.63" | 0" |
| 1985 | 93°F | 67°F | 0" | 0" |
| 1984 | 94°F | 64°F | 0" | 0" |
| 1983 | 90°F | 60°F | 0" | 0" |
| 1982 | 87°F | 55°F | 0" | 0" |
| 1981 | 90°F | 69°F | 0" | 0" |
| 1980 | 84°F | -- | 1.65" | 0" |
| 1979 | 75°F | -- | 0" | 0" |
| 1978 | 86°F | 59°F | 0.25" | 0" |
| 1977 | 85°F | 64°F | 0" | 0" |
| 1976 | 88°F | 58°F | 0" | 0" |
| 1975 | 81°F | 65°F | 0" | 0" |
| 1974 | 95°F | 69°F | 0" | 0" |
| 1973 | 94°F | 70°F | 0" | 0" |
| 1972 | 83°F | 63°F | 2.36" | 0" |
| 1971 | 83°F | 68°F | 0.15" | 0" |