Weather on August 22 at Indiana Dunes
Indiana Dunes National Park
Based on 54 years of data from Gary, IN
Planning Your Visit
August 22nd in Indiana Dunes National Park (via Gary, IN) typically brings warm summer weather, with average highs around 81°F and lows near 62°F. Over 54 years of records, the warmest August 22nd was in 1983 (84°F average), while the coldest was 1997 (60°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 28% of August 22nd dates historically, with the wettest August 22nd recording 9.37" of rain. The last decade has been 1.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.6°F cooler on this date compared to 20-30 years ago.
Planning for August 22nd in Indiana Dunes? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 77°F | 62°F | 0" | 0" |
| 2024 | 71°F | 50°F | 0" | 0" |
| 2023 | 77°F | 66°F | 0" | 0" |
| 2022 | 75°F | 66°F | 0" | 0" |
| 2021 | 79°F | 65°F | -- | -- |
| 2020 | 87°F | 60°F | -- | -- |
| 2019 | 84°F | 66°F | 0" | 0" |
| 2018 | 76°F | 65°F | 0.05" | -- |
| 2017 | 85°F | 68°F | 2.84" | 0" |
| 2016 | 73°F | 54°F | 0" | 0" |
| 2015 | 81°F | 57°F | 0" | 0" |
| 2014 | 79°F | 70°F | 9.37" | 0" |
| 2013 | 88°F | 68°F | 1.09" | 0" |
| 2012 | 74°F | 51°F | 0" | 0" |
| 2011 | 77°F | 57°F | 0.03" | 0" |
| 2010 | 81°F | 70°F | 0" | 0" |
| 2009 | 72°F | 61°F | 0.58" | 0" |
| 2008 | 79°F | 65°F | 0" | 0" |
| 2007 | 85°F | 67°F | 0.13" | 0" |
| 2006 | 77°F | 58°F | 0" | 0" |
| 2005 | 77°F | 60°F | 0" | 0" |
| 2004 | 71°F | 50°F | 0" | 0" |
| 2003 | 94°F | 70°F | 0" | 0" |
| 2002 | 87°F | 67°F | 4.11" | 0" |
| 2001 | 79°F | 65°F | 0.25" | 0" |
| 1999 | 80°F | 57°F | 0.23" | 0" |
| 1998 | 89°F | 68°F | 0" | 0" |
| 1997 | 70°F | 51°F | 0" | 0" |
| 1996 | 89°F | 70°F | 0.51" | 0" |
| 1995 | 81°F | 64°F | 0" | 0" |
| 1994 | 70°F | 54°F | 0" | 0" |
| 1993 | 79°F | 57°F | 0" | 0" |
| 1992 | 82°F | 52°F | 0" | 0" |
| 1991 | 82°F | 65°F | 0" | 0" |
| 1990 | 74°F | 67°F | 0" | 0" |
| 1989 | 85°F | 71°F | 0.81" | 0" |
| 1988 | 79°F | 61°F | 0" | 0" |
| 1987 | 87°F | 56°F | 0" | 0" |
| 1986 | 88°F | 60°F | 0" | 0" |
| 1985 | 78°F | 58°F | 0" | 0" |
| 1984 | 88°F | 67°F | 0" | 0" |
| 1983 | 94°F | 74°F | 0" | 0" |
| 1982 | 78°F | 58°F | 0" | 0" |
| 1981 | 80°F | 55°F | 0" | 0" |
| 1980 | 83°F | 61°F | 0" | 0" |
| 1979 | 81°F | 66°F | 0" | 0" |
| 1978 | 88°F | 56°F | 0.03" | 0" |
| 1977 | 79°F | 54°F | 0" | 0" |
| 1976 | 88°F | 60°F | 0" | 0" |
| 1975 | 91°F | 69°F | 2.24" | 0" |
| 1974 | 88°F | 65°F | 0" | 0" |
| 1973 | 76°F | 55°F | 0" | 0" |
| 1972 | 88°F | 70°F | 0.89" | 0" |
| 1971 | 90°F | 72°F | 0" | 0" |