Weather on January 15 at Indiana Dunes
Indiana Dunes National Park
Based on 56 years of data from Gary, IN
Planning Your Visit
January 15th in Indiana Dunes National Park (via Gary, IN) typically brings very cold winter weather, with average highs around 29°F and lows near 15°F. Over 56 years of records, the warmest January 15th was in 1990 (41°F average), while the coldest was 2024 (-11°F) — a 52°F range across recorded history. Precipitation has occurred on 23% of recorded January 15th dates, with snow falling 18% of the time (heaviest snowfall: 3"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for January 15th in Indiana Dunes? Bundle up with warm layers and protect extremities from the cold.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 34°F | 24°F | 0.25" | 0.7" |
| 2025 | 23°F | 4°F | 0.03" | 0.3" |
| 2024 | -6°F | -16°F | 0" | 0" |
| 2023 | 29°F | 21°F | 0" | 0" |
| 2022 | 32°F | 13°F | -- | -- |
| 2021 | 40°F | 33°F | 0.28" | 0" |
| 2020 | 44°F | 27°F | 0" | 0" |
| 2019 | 31°F | 24°F | -- | -- |
| 2018 | 19°F | 1°F | -- | -- |
| 2017 | 32°F | 19°F | -- | -- |
| 2016 | 48°F | 32°F | 0" | 0" |
| 2015 | 20°F | -4°F | 0" | 0" |
| 2014 | 31°F | 14°F | 0.03" | 0.6" |
| 2013 | 24°F | 10°F | 0" | 0" |
| 2012 | 24°F | 7°F | 0" | 0" |
| 2011 | 28°F | 20°F | 0" | 0" |
| 2010 | 39°F | 32°F | 0" | 0" |
| 2009 | 16°F | -3°F | 0.13" | 1.5" |
| 2008 | 26°F | 14°F | 0.1" | 0.8" |
| 2007 | 34°F | 32°F | 1.7" | 0" |
| 2006 | 33°F | 25°F | 0" | 0" |
| 2005 | 15°F | 6°F | 0" | 0" |
| 2004 | 36°F | 21°F | 0.03" | 0.2" |
| 2003 | 25°F | 7°F | 0" | 0" |
| 2002 | 47°F | 31°F | 0.03" | 0" |
| 2001 | 38°F | 34°F | 0.28" | 0" |
| 2000 | 29°F | 16°F | 0" | 0" |
| 1999 | 15°F | 8°F | -- | 0.2" |
| 1998 | 30°F | 22°F | 0" | 0" |
| 1997 | 17°F | -7°F | 0.13" | 0.5" |
| 1996 | 39°F | 18°F | -- | -- |
| 1995 | 35°F | 32°F | 0" | -- |
| 1994 | 2°F | -17°F | 0" | 0" |
| 1993 | 27°F | 15°F | 0" | 0" |
| 1992 | 20°F | 8°F | 0.46" | 3" |
| 1991 | 39°F | 25°F | 0" | 0" |
| 1990 | 52°F | 31°F | 0" | 0" |
| 1989 | 37°F | 19°F | 0" | 0" |
| 1988 | 41°F | 15°F | 0" | 0" |
| 1987 | 39°F | 32°F | 0" | 0" |
| 1986 | 39°F | 11°F | 0" | 0" |
| 1985 | 23°F | 10°F | 0" | 0" |
| 1984 | 25°F | 16°F | 0" | 0" |
| 1983 | -- | 15°F | 0.38" | 0.5" |
| 1982 | 15°F | -9°F | 0" | -- |
| 1981 | 31°F | 27°F | 0" | 0" |
| 1980 | -- | 17°F | 0" | 0" |
| 1979 | 10°F | -7°F | 0" | 0" |
| 1978 | 21°F | 7°F | 0" | 0" |
| 1977 | 23°F | -7°F | 0" | 0" |
| 1976 | 32°F | 11°F | 0" | 0" |
| 1975 | 30°F | 19°F | 0" | 0" |
| 1974 | 43°F | 28°F | 0" | 0" |
| 1973 | 38°F | 32°F | 0" | 0" |
| 1972 | 1°F | -10°F | 0" | 0" |
| 1971 | 33°F | 13°F | 0" | -- |