Weather on December 30 at Indiana Dunes
Indiana Dunes National Park
Based on 55 years of data from Gary, IN
Planning Your Visit
December 30th in Indiana Dunes National Park (via Gary, IN) typically brings cold winter weather, with average highs around 36°F and lows near 21°F. Over 55 years of records, the warmest December 30th was in 2022 (52°F average), while the coldest was 1983 (1°F) — a 51°F range across recorded history. Precipitation has occurred on 27% of recorded December 30th dates, with snow falling 9% of the time (heaviest snowfall: 2.5"). The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
Planning for December 30th in Indiana Dunes? Bundle up with warm layers and protect extremities from the cold.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 29°F | 17°F | 0" | 0.3" |
| 2024 | 46°F | 36°F | -- | 0" |
| 2023 | 41°F | -- | 0" | 0" |
| 2022 | 56°F | 48°F | 0.03" | 0" |
| 2021 | 36°F | 27°F | -- | -- |
| 2020 | 36°F | 15°F | 0.76" | 0.9" |
| 2019 | 47°F | 30°F | -- | -- |
| 2018 | 37°F | 18°F | -- | -- |
| 2017 | 16°F | 10°F | -- | -- |
| 2016 | 37°F | 26°F | 0" | 0" |
| 2015 | 35°F | 29°F | 0" | 0" |
| 2014 | 33°F | 22°F | 0" | 0" |
| 2013 | 36°F | 8°F | 0" | 0.4" |
| 2012 | 31°F | 15°F | 0" | 0" |
| 2011 | 46°F | 31°F | 0.25" | 0" |
| 2010 | 39°F | 19°F | 0.03" | 0" |
| 2009 | 31°F | 16°F | 0" | 0" |
| 2008 | 46°F | 26°F | 0" | 0" |
| 2007 | 26°F | 22°F | 0" | 0" |
| 2006 | 55°F | 41°F | 0" | 0" |
| 2005 | 37°F | 31°F | 0" | 0" |
| 2004 | 44°F | 30°F | 0" | 0" |
| 2003 | 43°F | 26°F | 0" | 0" |
| 2002 | 47°F | 28°F | 0" | 0" |
| 2001 | 21°F | 6°F | 0" | 0" |
| 2000 | 22°F | 12°F | 0" | 0" |
| 1999 | 44°F | 30°F | 0" | 0" |
| 1998 | 14°F | 6°F | 0" | 0" |
| 1997 | 27°F | 17°F | 0.3" | -- |
| 1996 | 33°F | 27°F | 0" | -- |
| 1995 | 35°F | 21°F | 0.51" | 2.5" |
| 1994 | 39°F | 23°F | 0" | 0" |
| 1993 | 18°F | 0°F | 0" | 0" |
| 1992 | 53°F | 38°F | 3.89" | 0" |
| 1991 | 35°F | 31°F | 0" | 0" |
| 1990 | 37°F | 10°F | 6.35" | -- |
| 1989 | 34°F | 30°F | 0.33" | 0" |
| 1988 | 31°F | 15°F | 0" | 0" |
| 1987 | 35°F | 9°F | 0" | 0" |
| 1986 | 37°F | 29°F | 0.05" | 0" |
| 1985 | 35°F | 6°F | 0" | 0" |
| 1984 | 46°F | 30°F | 0" | 0" |
| 1983 | 12°F | -10°F | 0" | 0" |
| 1982 | 31°F | 17°F | 0" | 0" |
| 1981 | 27°F | 1°F | 0" | 0" |
| 1980 | 36°F | 28°F | 0" | 0" |
| 1979 | -- | 17°F | 0" | 0" |
| 1978 | 40°F | 33°F | 0.53" | 0" |
| 1977 | 39°F | 18°F | 0" | 0" |
| 1976 | 13°F | -5°F | 0.28" | 2.3" |
| 1975 | 36°F | 29°F | 0.3" | 0" |
| 1974 | 42°F | 29°F | 0" | 0" |
| 1973 | 25°F | 11°F | 0" | 0" |
| 1972 | 48°F | 39°F | 1.91" | 0" |
| 1971 | 48°F | 32°F | 3.38" | 0" |