Weather on December 29 at Indiana Dunes
Indiana Dunes National Park
Based on 54 years of data from Gary, IN
Planning Your Visit
December 29th 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 54 years of records, the warmest December 29th was in 2019 (54°F average), while the coldest was 1976 (5°F) — a 49°F range across recorded history. Precipitation has occurred on 37% of recorded December 29th dates, with snow falling 22% of the time (heaviest snowfall: 4"). The last decade has been 6.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.6°F warmer on this date compared to 20-30 years ago.
Planning for December 29th in Indiana Dunes? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella. Check road conditions if traveling, as snow is possible.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 62°F | 18°F | -- | -- |
| 2024 | 56°F | 45°F | -- | 0" |
| 2023 | 42°F | 35°F | 1.09" | 0" |
| 2022 | 51°F | 27°F | 0" | 0" |
| 2021 | 36°F | 32°F | 0.69" | 0.1" |
| 2020 | 32°F | 16°F | 0" | 0" |
| 2019 | 61°F | 48°F | -- | -- |
| 2018 | 32°F | 25°F | -- | -- |
| 2017 | 14°F | 6°F | 0.08" | 0.7" |
| 2016 | 43°F | 30°F | 0" | 0" |
| 2015 | 41°F | 30°F | -- | 1.5" |
| 2014 | 38°F | 27°F | 0" | 0" |
| 2013 | 51°F | 35°F | 0" | 0" |
| 2012 | 32°F | 28°F | 0.13" | 0.5" |
| 2011 | 32°F | 26°F | 0" | 0" |
| 2010 | 32°F | 17°F | 0" | 0" |
| 2009 | 31°F | 18°F | 0" | 0" |
| 2008 | 35°F | 27°F | 0" | 0" |
| 2007 | 36°F | 24°F | 0.41" | 0.5" |
| 2006 | 49°F | 37°F | 0" | 0" |
| 2005 | 37°F | 35°F | 0.38" | 0" |
| 2004 | 38°F | 26°F | 0" | 0" |
| 2003 | 49°F | 42°F | 0.3" | 0" |
| 2002 | 35°F | 22°F | 0" | 0" |
| 2001 | 28°F | 16°F | 0" | 0" |
| 2000 | 21°F | 12°F | 0.03" | 0.2" |
| 1999 | 36°F | 29°F | 0" | 0" |
| 1998 | 34°F | 3°F | 0" | 0" |
| 1997 | 32°F | 18°F | 1.27" | -- |
| 1996 | 40°F | 26°F | -- | -- |
| 1995 | 32°F | 9°F | -- | -- |
| 1994 | 39°F | 23°F | 0" | 0" |
| 1993 | 22°F | 4°F | 0" | 0" |
| 1992 | 44°F | 38°F | 1.78" | 0" |
| 1991 | 37°F | 32°F | 0" | 0" |
| 1990 | 44°F | 33°F | 4.32" | 0" |
| 1989 | 36°F | 33°F | 0" | 0" |
| 1988 | 20°F | 7°F | 0" | 0" |
| 1987 | 35°F | 27°F | 0.46" | 1" |
| 1986 | 38°F | 24°F | 0.28" | 1" |
| 1985 | 25°F | 11°F | 0.05" | 0.2" |
| 1984 | 66°F | 38°F | 3.15" | 0" |
| 1983 | 17°F | -6°F | 0" | 0" |
| 1981 | 30°F | 8°F | 0" | 0" |
| 1980 | 38°F | 31°F | 0.25" | 1" |
| 1979 | -- | 18°F | 0" | 0" |
| 1978 | 34°F | 19°F | 0.51" | 4" |
| 1977 | 41°F | 11°F | 0" | 0" |
| 1976 | 14°F | -5°F | 0.05" | 0.5" |
| 1975 | 32°F | 12°F | 0.69" | 0" |
| 1974 | 38°F | 34°F | 0" | 0" |
| 1973 | 37°F | 24°F | 0" | 0" |
| 1972 | 40°F | 31°F | 0.2" | 0" |
| 1971 | 38°F | 22°F | 0" | 0" |