Weather on December 23 at Indiana Dunes
Indiana Dunes National Park
Based on 55 years of data from Gary, IN
Planning Your Visit
December 23rd 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 23rd was in 1982 (49°F average), while the coldest was 1983 (-8°F) — a 57°F range across recorded history. Precipitation has occurred on 36% of recorded December 23rd dates, with snow falling 15% of the time (heaviest snowfall: 4.1"). The last decade has been 9.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 9.2°F warmer on this date compared to 20-30 years ago.
Planning for December 23rd 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 | 51°F | 39°F | 0" | 0" |
| 2024 | 35°F | 25°F | 0" | 0" |
| 2023 | 47°F | 41°F | 1.3" | 0" |
| 2022 | 34°F | -16°F | 0.94" | 4.1" |
| 2021 | 33°F | 19°F | 0" | 0" |
| 2020 | 44°F | 35°F | 0" | 0" |
| 2019 | 57°F | 32°F | -- | -- |
| 2018 | 38°F | 30°F | -- | -- |
| 2017 | 37°F | 32°F | 0" | 0" |
| 2016 | 43°F | 26°F | 0" | 0" |
| 2015 | 51°F | 37°F | 0" | 0" |
| 2014 | 47°F | 29°F | 0.56" | 0" |
| 2013 | 33°F | 20°F | 0" | 0.1" |
| 2012 | 34°F | 19°F | 0" | 0" |
| 2011 | 39°F | 30°F | 0.18" | 0" |
| 2010 | 34°F | 24°F | 0.08" | 0.5" |
| 2009 | 31°F | 27°F | 0.1" | 0.6" |
| 2008 | 17°F | -2°F | 0.05" | 0.4" |
| 2007 | 54°F | 20°F | 0.13" | 0" |
| 2006 | 54°F | 37°F | 0.61" | 0" |
| 2005 | 44°F | 36°F | -- | -- |
| 2004 | 24°F | 14°F | 0.25" | 2.5" |
| 2003 | 46°F | 35°F | 0.05" | 0" |
| 2002 | 31°F | 24°F | 0" | 0" |
| 2001 | 48°F | 25°F | 0.66" | 0" |
| 2000 | 10°F | -7°F | 0" | 0" |
| 1999 | 16°F | 2°F | 0.53" | -- |
| 1998 | 26°F | 6°F | 0" | 0" |
| 1997 | 40°F | 31°F | 0" | 0" |
| 1996 | 54°F | -- | 2.31" | -- |
| 1995 | 28°F | 22°F | 0.08" | -- |
| 1994 | 42°F | 37°F | 0" | 0" |
| 1993 | 29°F | 15°F | 0" | 0" |
| 1992 | 33°F | 15°F | 0" | 0" |
| 1991 | 41°F | 32°F | 0" | 0" |
| 1990 | 14°F | 8°F | -- | -- |
| 1989 | 8°F | -11°F | 0" | 0" |
| 1988 | 46°F | 39°F | 0" | 0" |
| 1987 | 46°F | 29°F | 0" | 0" |
| 1986 | 33°F | 29°F | 0" | 0" |
| 1985 | 35°F | 28°F | 0.05" | 0.2" |
| 1984 | 45°F | 22°F | 0" | 0" |
| 1983 | -5°F | -12°F | 0.03" | 0" |
| 1982 | 59°F | 39°F | 0.08" | 0" |
| 1981 | 35°F | 22°F | 0.71" | 1" |
| 1980 | 39°F | 29°F | 0" | 0" |
| 1979 | -- | 42°F | 0.1" | 0" |
| 1978 | 47°F | 19°F | 0" | 0" |
| 1977 | 38°F | 33°F | 0" | 0" |
| 1976 | 30°F | 9°F | 0" | 0" |
| 1975 | 33°F | 29°F | 0" | 0" |
| 1974 | 44°F | 29°F | 0" | 0" |
| 1973 | 32°F | 12°F | 0" | 0" |
| 1972 | 34°F | 30°F | 0" | 0" |
| 1971 | 47°F | 31°F | 0" | 0" |