Weather on June 12 at Indiana Dunes
Indiana Dunes National Park
Based on 55 years of data from Gary, IN
Planning Your Visit
June 12th in Indiana Dunes National Park (via Gary, IN) typically brings warm summer weather, with average highs around 80°F and lows near 58°F. Over 55 years of records, the warmest June 12th was in 2017 (82°F average), while the coldest was 1985 (51°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 35% of June 12th dates historically, with the wettest June 12th recording 3.25" of rain. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for June 12th 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 | 65°F | 0" | 0" |
| 2024 | 75°F | 59°F | 0" | 0" |
| 2023 | 61°F | 50°F | 0.46" | 0" |
| 2022 | 75°F | 61°F | -- | 0" |
| 2021 | 86°F | 67°F | -- | -- |
| 2020 | 80°F | 54°F | 0" | 0" |
| 2019 | 80°F | 61°F | 0" | 0" |
| 2018 | 71°F | 64°F | 0" | -- |
| 2017 | 90°F | 74°F | 0" | 0" |
| 2016 | 89°F | 64°F | 0" | 0" |
| 2015 | 79°F | 61°F | 0.61" | 0" |
| 2014 | 74°F | 57°F | 0.3" | 0" |
| 2013 | 81°F | 64°F | 0.18" | 0" |
| 2012 | 84°F | 64°F | 0" | 0" |
| 2011 | 64°F | 49°F | 0" | 0" |
| 2010 | 88°F | 73°F | 0" | 0" |
| 2009 | 66°F | 53°F | 0.76" | 0" |
| 2008 | 85°F | 60°F | 0" | 0" |
| 2007 | 83°F | 59°F | 0" | 0" |
| 2006 | 64°F | 53°F | 0" | 0" |
| 2005 | 84°F | 71°F | 0" | 0" |
| 2004 | 73°F | 60°F | 3.25" | 0" |
| 2003 | 65°F | 51°F | -- | -- |
| 2002 | 83°F | 59°F | 0" | 0" |
| 2001 | 87°F | 62°F | 1.52" | 0" |
| 2000 | 82°F | 57°F | 0.74" | 0" |
| 1999 | 84°F | 66°F | 0.03" | 0" |
| 1998 | 84°F | 64°F | 0" | 0" |
| 1997 | 76°F | 56°F | 0.41" | 0" |
| 1996 | 66°F | 51°F | -- | 0" |
| 1995 | 72°F | 44°F | -- | 0" |
| 1994 | 83°F | 58°F | 1.07" | 0" |
| 1993 | 79°F | 58°F | 0" | 0" |
| 1992 | 83°F | 49°F | 0" | 0" |
| 1991 | 85°F | 60°F | 0" | 0" |
| 1990 | 87°F | 66°F | 0" | 0" |
| 1989 | 74°F | 46°F | 1.14" | 0" |
| 1988 | 90°F | 52°F | 0" | 0" |
| 1987 | 90°F | 64°F | 1.96" | 0" |
| 1986 | 85°F | 56°F | 1.24" | 0" |
| 1985 | 53°F | 48°F | 0" | 0" |
| 1984 | 92°F | 55°F | 0" | 0" |
| 1983 | 89°F | 60°F | 0" | 0" |
| 1982 | 77°F | 50°F | 0" | 0" |
| 1981 | 81°F | 61°F | 0" | 0" |
| 1980 | 78°F | 49°F | 0" | 0" |
| 1979 | 75°F | 49°F | 0.03" | 0" |
| 1978 | 90°F | 62°F | 1.04" | 0" |
| 1977 | 78°F | 50°F | 0" | 0" |
| 1976 | 93°F | 67°F | 0" | 0" |
| 1975 | 83°F | 59°F | 0" | 0" |
| 1974 | 74°F | 46°F | 0.23" | 0" |
| 1973 | 92°F | 70°F | 0" | 0" |
| 1972 | 74°F | 57°F | 0.56" | 0" |
| 1971 | 89°F | 66°F | 0.25" | 0" |