Weather on April 12 at Indiana Dunes
Indiana Dunes National Park
Based on 54 years of data from Gary, IN
Planning Your Visit
April 12th in Indiana Dunes National Park (via Gary, IN) typically brings cool spring weather, with average highs around 59°F and lows near 40°F. Over 54 years of records, the warmest April 12th was in 1971 (72°F average), while the coldest was 1990 (35°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 37% of April 12th dates historically, with the wettest April 12th recording 3.48" of rain. The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
Planning for April 12th in Indiana Dunes? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 51°F | 33°F | 0" | 0" |
| 2024 | 49°F | 43°F | 0.36" | 0" |
| 2023 | 78°F | 56°F | 0" | 0" |
| 2022 | 59°F | 35°F | 0" | 0" |
| 2021 | 66°F | 43°F | -- | -- |
| 2020 | 66°F | 47°F | -- | -- |
| 2019 | 64°F | 41°F | 1.6" | 0" |
| 2018 | 63°F | 40°F | 0.03" | 0" |
| 2017 | 55°F | 34°F | 0" | 0" |
| 2016 | 50°F | 30°F | 0" | 0" |
| 2015 | 63°F | 44°F | 0" | 0" |
| 2014 | 70°F | 50°F | 0" | 0" |
| 2013 | 49°F | 36°F | 1.85" | 0" |
| 2012 | 44°F | 28°F | 0" | 0" |
| 2011 | 59°F | 38°F | 0" | 0" |
| 2010 | 63°F | 49°F | 0" | 0" |
| 2009 | 42°F | 29°F | 0" | 0" |
| 2008 | 68°F | 38°F | 0.08" | 0" |
| 2007 | 43°F | 33°F | 1.63" | 0" |
| 2006 | 74°F | 57°F | 0.05" | 0" |
| 2005 | 77°F | 48°F | 0" | 0" |
| 2004 | 41°F | 35°F | 0" | 0" |
| 2003 | 64°F | 38°F | 0" | 0" |
| 2002 | 76°F | 54°F | 0" | 0" |
| 2001 | 78°F | 55°F | 0.03" | 0" |
| 2000 | 41°F | 29°F | 0" | 0" |
| 1999 | 59°F | 34°F | 0" | 0" |
| 1998 | 72°F | 53°F | 0" | 0" |
| 1997 | 39°F | 30°F | -- | -- |
| 1996 | 76°F | 40°F | 0.64" | 0" |
| 1995 | 53°F | 38°F | 0.08" | 0" |
| 1994 | 49°F | 40°F | 3.48" | 0" |
| 1993 | 49°F | 35°F | 0.03" | 0" |
| 1992 | 42°F | 33°F | 0" | 0" |
| 1991 | 55°F | 39°F | 0" | 0" |
| 1990 | 44°F | 27°F | 0.05" | 0" |
| 1989 | 49°F | 39°F | 0" | 0" |
| 1988 | 58°F | 38°F | 0" | 0" |
| 1987 | 57°F | 40°F | 0.66" | 0" |
| 1986 | 61°F | 33°F | 0" | 0" |
| 1985 | 75°F | 42°F | 0" | 0" |
| 1984 | 63°F | 40°F | 1.6" | 0" |
| 1983 | 56°F | 37°F | 0" | 0" |
| 1981 | 56°F | 45°F | 1.98" | 0" |
| 1980 | 44°F | 32°F | 0.64" | 0" |
| 1979 | 76°F | 45°F | 0.05" | 0" |
| 1978 | 67°F | 38°F | 0" | 0" |
| 1977 | 84°F | 54°F | 0" | 0" |
| 1976 | 49°F | 23°F | 0" | 0" |
| 1975 | 50°F | 25°F | 0" | 0" |
| 1974 | 73°F | 53°F | 0.38" | 0" |
| 1973 | 46°F | 32°F | 0.97" | 0" |
| 1972 | 67°F | 39°F | 0" | 0" |
| 1971 | 84°F | 59°F | 0" | 0" |