Weather on December 11 at Indiana Dunes
Indiana Dunes National Park
Based on 55 years of data from Gary, IN
Planning Your Visit
December 11th in Indiana Dunes National Park (via Gary, IN) typically brings cold winter weather, with average highs around 37°F and lows near 23°F. Over 55 years of records, the warmest December 11th was in 2015 (49°F average), while the coldest was 1977 (7°F) — a 42°F range across recorded history. Precipitation has occurred on 33% of recorded December 11th dates, with snow falling 18% of the time (heaviest snowfall: 4"). The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
Planning for December 11th in Indiana Dunes? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 37°F | 29°F | 0.15" | 0" |
| 2024 | 39°F | 32°F | 0" | 0" |
| 2023 | 35°F | 27°F | 0" | 0" |
| 2022 | 39°F | 34°F | -- | 0" |
| 2021 | 59°F | 32°F | -- | -- |
| 2020 | 57°F | 33°F | 0" | 0" |
| 2019 | 24°F | 15°F | 0" | 0" |
| 2018 | 38°F | 23°F | -- | -- |
| 2017 | 34°F | 23°F | -- | 0.3" |
| 2016 | 28°F | 22°F | -- | -- |
| 2015 | 58°F | 41°F | 0" | 0" |
| 2014 | 36°F | 26°F | 0" | 0" |
| 2013 | 23°F | 10°F | 0.13" | 1" |
| 2012 | 34°F | 26°F | 0.15" | 0" |
| 2011 | 26°F | 14°F | 0" | 0" |
| 2010 | 41°F | 28°F | 0.03" | 0.3" |
| 2009 | 14°F | 4°F | 0" | 0" |
| 2008 | 32°F | 22°F | 0" | 0" |
| 2007 | 36°F | 26°F | 0.86" | 0" |
| 2006 | 49°F | 30°F | 0" | 0" |
| 2005 | 33°F | 17°F | 0" | 0" |
| 2004 | 44°F | 36°F | 0.56" | 0" |
| 2003 | 54°F | 26°F | 0.43" | 0.5" |
| 2002 | 46°F | 23°F | 0" | 0" |
| 2001 | 48°F | 24°F | 0" | 0" |
| 2000 | 35°F | 29°F | 0.36" | 3" |
| 1999 | 44°F | 23°F | 0" | 0" |
| 1998 | 48°F | 23°F | 0" | 0" |
| 1997 | 36°F | 26°F | 0.1" | -- |
| 1996 | 38°F | 35°F | -- | -- |
| 1995 | 14°F | 2°F | 0.41" | 2" |
| 1994 | 27°F | 18°F | 0" | 0.5" |
| 1993 | 39°F | 22°F | 0.03" | 0.3" |
| 1992 | 37°F | 32°F | 0" | 0" |
| 1991 | 46°F | 35°F | 0.41" | 0" |
| 1990 | 47°F | 34°F | 0" | 0" |
| 1989 | 35°F | 24°F | 0.89" | 4" |
| 1988 | 28°F | 9°F | -- | 0.5" |
| 1987 | 45°F | 30°F | 0" | 0" |
| 1986 | 34°F | 12°F | 0" | 0" |
| 1985 | 38°F | 33°F | 0.79" | 0" |
| 1984 | 41°F | 33°F | 0" | 0" |
| 1983 | 37°F | 17°F | 2.06" | 0" |
| 1982 | 34°F | 22°F | 0" | 0" |
| 1981 | 32°F | 25°F | 0" | 0" |
| 1980 | 30°F | 19°F | 0" | 0" |
| 1979 | -- | 45°F | 0.05" | 0" |
| 1978 | 33°F | 10°F | 0" | 0" |
| 1977 | 17°F | -4°F | 0" | 0" |
| 1976 | 38°F | 10°F | 0" | 0" |
| 1975 | 35°F | 30°F | 0" | 0" |
| 1974 | 39°F | 25°F | 0.03" | 0" |
| 1973 | 27°F | 10°F | 0" | 0" |
| 1972 | 18°F | 0°F | 0" | 0" |
| 1971 | 53°F | 31°F | 0.08" | 0" |