Weather on June 20 at Indiana Dunes
Indiana Dunes National Park
Based on 55 years of data from Gary, IN
Planning Your Visit
June 20th in Indiana Dunes National Park (via Gary, IN) typically brings warm summer weather, with average highs around 82°F and lows near 61°F. Over 55 years of records, the warmest June 20th was in 1988 (86°F average), while the coldest was 2004 (53°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 27% of June 20th dates historically, with the wettest June 20th recording 3.35" of rain. The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
Planning for June 20th in Indiana Dunes? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 84°F | 64°F | -- | 0" |
| 2024 | 92°F | 69°F | 0.2" | 0" |
| 2023 | 81°F | 57°F | 0" | 0" |
| 2022 | 83°F | 59°F | -- | 0" |
| 2021 | 85°F | 62°F | -- | -- |
| 2020 | 91°F | 65°F | -- | -- |
| 2019 | 69°F | 53°F | 2.36" | 0" |
| 2018 | 92°F | 62°F | 0" | -- |
| 2017 | 75°F | 55°F | 0.38" | 0" |
| 2016 | 88°F | 76°F | 0" | 0" |
| 2015 | 68°F | 56°F | 0" | 0" |
| 2014 | 78°F | 67°F | 1.65" | 0" |
| 2013 | 73°F | 55°F | 0" | 0" |
| 2012 | 90°F | 73°F | 0" | 0" |
| 2011 | 82°F | 67°F | 0.69" | 0" |
| 2010 | 82°F | 62°F | 0" | 0" |
| 2009 | 88°F | 66°F | 0.81" | 0" |
| 2008 | 76°F | 55°F | 0" | 0" |
| 2007 | 78°F | 58°F | 0" | 0" |
| 2006 | 86°F | 59°F | 0" | 0" |
| 2005 | 74°F | 55°F | 0" | 0" |
| 2004 | 59°F | 46°F | 0" | 0" |
| 2003 | 65°F | 46°F | -- | -- |
| 2002 | 85°F | 68°F | 0" | 0" |
| 2001 | 84°F | 61°F | 0" | 0" |
| 2000 | 80°F | 66°F | 0" | 0" |
| 1999 | 79°F | 61°F | 0" | 0" |
| 1998 | 89°F | 68°F | 0" | 0" |
| 1997 | 87°F | 69°F | -- | 0" |
| 1996 | 73°F | 59°F | 0.08" | 0" |
| 1995 | 85°F | 66°F | -- | 0" |
| 1994 | 82°F | 66°F | 0.1" | 0" |
| 1993 | 79°F | 67°F | 2.62" | 0" |
| 1992 | 57°F | 50°F | 0" | 0" |
| 1991 | 90°F | 60°F | 0" | 0" |
| 1990 | 87°F | 62°F | 0" | 0" |
| 1989 | 77°F | 58°F | 0.03" | 0" |
| 1988 | 100°F | 72°F | 0" | 0" |
| 1987 | 88°F | 56°F | 2.01" | 0" |
| 1986 | 90°F | 60°F | 0" | 0" |
| 1985 | 79°F | 49°F | 0.13" | 0" |
| 1984 | 78°F | 56°F | 0" | 0" |
| 1983 | 89°F | 60°F | 0" | 0" |
| 1982 | 77°F | 55°F | 0" | 0" |
| 1981 | 83°F | 57°F | 0" | 0" |
| 1980 | 74°F | 44°F | 0" | 0" |
| 1979 | 81°F | 67°F | 0.61" | 0" |
| 1978 | 85°F | 58°F | 0" | 0" |
| 1977 | 83°F | 60°F | 0" | 0" |
| 1976 | 77°F | 48°F | 0" | 0" |
| 1975 | 92°F | 67°F | 0" | 0" |
| 1974 | 90°F | 62°F | 0" | 0" |
| 1973 | 81°F | 61°F | 3.35" | 0" |
| 1972 | 88°F | 62°F | 0.13" | 0" |
| 1971 | 92°F | 67°F | 0" | 0" |