Weather on March 12 at Indiana Dunes
Indiana Dunes National Park
Based on 54 years of data from Gary, IN
Planning Your Visit
March 12th in Indiana Dunes National Park (via Gary, IN) typically brings chilly spring weather, with average highs around 47°F and lows near 29°F. Over 54 years of records, the warmest March 12th was in 1990 (69°F average), while the coldest was 1998 (17°F) — a 52°F range across recorded history. Precipitation has occurred on 37% of recorded March 12th dates, with snow falling 7% of the time (heaviest snowfall: 6.6"). The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
Planning for March 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 |
|---|---|---|---|---|
| 2026 | 48°F | 31°F | -- | -- |
| 2025 | 57°F | 38°F | 0" | 0" |
| 2024 | 65°F | 35°F | 0" | 0" |
| 2023 | 40°F | 30°F | 0.56" | 1.2" |
| 2022 | 32°F | 10°F | -- | -- |
| 2021 | 58°F | 38°F | 0" | 0" |
| 2020 | 42°F | 33°F | 0" | 0" |
| 2019 | 42°F | 21°F | 0" | 0" |
| 2018 | 40°F | 25°F | 0.03" | 0" |
| 2017 | 27°F | 19°F | 0" | 0" |
| 2016 | 48°F | 33°F | 0" | 0" |
| 2015 | 48°F | 28°F | 0" | 0" |
| 2014 | 43°F | 28°F | 1.6" | 6.6" |
| 2013 | 46°F | 30°F | 0.05" | 0" |
| 2012 | 70°F | 42°F | 0.56" | 0" |
| 2011 | 48°F | 34°F | 0" | 0" |
| 2010 | 60°F | 45°F | 0.66" | 0" |
| 2009 | 34°F | 19°F | 0.03" | 0" |
| 2008 | 44°F | 24°F | 0" | 0" |
| 2007 | 56°F | 33°F | 0" | 0" |
| 2006 | 66°F | 42°F | 0.56" | 0" |
| 2005 | 38°F | 24°F | 0.08" | 0.5" |
| 2004 | 42°F | 18°F | 0" | 0" |
| 2003 | 44°F | 23°F | 0" | 0" |
| 2002 | 43°F | 27°F | 0" | 0" |
| 2001 | 41°F | 28°F | 0" | 0" |
| 1999 | 38°F | 15°F | 0" | 0" |
| 1998 | 23°F | 11°F | -- | 0" |
| 1997 | 41°F | 32°F | 0" | 0" |
| 1996 | 53°F | 35°F | -- | -- |
| 1995 | 70°F | 47°F | 0" | 0" |
| 1994 | 41°F | 27°F | 0" | 0" |
| 1993 | 30°F | 16°F | 0.38" | 5" |
| 1992 | 27°F | 18°F | 0" | 0" |
| 1991 | 44°F | 28°F | 0.46" | -- |
| 1990 | 77°F | 61°F | 0" | 0" |
| 1989 | 46°F | 33°F | 0" | 0" |
| 1988 | 61°F | 23°F | 0.1" | -- |
| 1987 | 41°F | 19°F | 0" | 0" |
| 1986 | 43°F | 21°F | 0.08" | 0" |
| 1985 | 54°F | 36°F | 0.1" | 0" |
| 1983 | 43°F | 24°F | 0" | 0" |
| 1982 | 48°F | 29°F | 0" | 0" |
| 1981 | 60°F | 28°F | 0" | 0" |
| 1980 | 34°F | 11°F | 0" | -- |
| 1979 | 40°F | 8°F | 0" | 0" |
| 1978 | 44°F | 24°F | 0.56" | 0" |
| 1977 | 70°F | 57°F | 0.66" | 0" |
| 1976 | 59°F | 39°F | 1.27" | 0" |
| 1975 | 38°F | 32°F | 0.15" | 0" |
| 1974 | 42°F | 33°F | 0.38" | 0" |
| 1973 | 55°F | 41°F | 0.08" | 0" |
| 1972 | 71°F | 32°F | 0" | 0" |
| 1971 | 45°F | 32°F | 0" | 0" |