Weather on April 12 at Indiana Dunes
Indiana Dunes National Park
Based on 55 years of data from Gary, IN
Planning Your Visit
April 12th in Indiana Dunes National Park (via Gary, IN) typically brings mild spring weather, with average highs around 60°F and lows near 40°F. Over 55 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 36% of April 12th dates historically, with the wettest April 12th recording 3.48" of rain. The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
Planning for April 12th in Indiana Dunes? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 70°F | 49°F | -- | 0" |
| 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" |