Weather on January 18 at Indiana Dunes
Indiana Dunes National Park
Based on 56 years of data from Gary, IN
Planning Your Visit
January 18th in Indiana Dunes National Park (via Gary, IN) typically brings very cold winter weather, with average highs around 31°F and lows near 16°F. Over 56 years of records, the warmest January 18th was in 1996 (56°F average), while the coldest was 1994 (-5°F) — a 61°F range across recorded history. Precipitation has occurred on 39% of recorded January 18th dates, with snow falling 27% of the time (heaviest snowfall: 7"). The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Planning for January 18th 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 |
|---|---|---|---|---|
| 2026 | 23°F | 12°F | -- | -- |
| 2025 | 47°F | 34°F | 0" | 0" |
| 2024 | 18°F | 2°F | 0.18" | 1.4" |
| 2023 | 41°F | 35°F | 0" | 0" |
| 2022 | 27°F | 16°F | -- | 0.2" |
| 2021 | 32°F | 25°F | -- | -- |
| 2020 | 39°F | 7°F | -- | -- |
| 2019 | 33°F | 27°F | -- | -- |
| 2018 | 23°F | 5°F | 0" | 0" |
| 2017 | 41°F | 34°F | 0" | 0" |
| 2016 | 7°F | -3°F | 0" | 0" |
| 2015 | 44°F | 35°F | 0.05" | 0" |
| 2014 | 17°F | 12°F | 0.36" | 4.2" |
| 2013 | 30°F | 17°F | 0" | 0" |
| 2012 | 39°F | 10°F | 0.18" | 1" |
| 2011 | 35°F | 18°F | 0.28" | 0" |
| 2010 | 33°F | 24°F | 0" | 0" |
| 2009 | 26°F | 14°F | -- | -- |
| 2008 | 34°F | 11°F | 0.1" | 0" |
| 2007 | 28°F | 10°F | 0.03" | 0" |
| 2006 | 35°F | 21°F | 0.79" | 0.4" |
| 2005 | 11°F | -6°F | 0.05" | 0.8" |
| 2004 | 33°F | 22°F | 0.25" | 2" |
| 2003 | 21°F | 1°F | 0.38" | 7" |
| 2002 | 28°F | 16°F | 0" | 0" |
| 2001 | 28°F | 19°F | 0" | 0" |
| 2000 | 30°F | 10°F | 0" | 0" |
| 1999 | 38°F | 19°F | 0.05" | 1" |
| 1998 | 30°F | 7°F | 0" | 0" |
| 1997 | 9°F | -8°F | 0" | 0" |
| 1996 | 59°F | 53°F | -- | -- |
| 1995 | 38°F | 30°F | 0.91" | -- |
| 1994 | 9°F | -19°F | 0.03" | 0" |
| 1993 | 28°F | 12°F | -- | 0.5" |
| 1992 | 20°F | 2°F | 0" | 0" |
| 1991 | 30°F | 15°F | 0" | 0" |
| 1990 | 54°F | 32°F | 0" | 0" |
| 1989 | 46°F | 34°F | 0" | 0" |
| 1988 | 38°F | 30°F | 0.53" | 0" |
| 1987 | 29°F | 25°F | 0.94" | 4" |
| 1986 | 51°F | 41°F | 0" | 0" |
| 1985 | 25°F | 13°F | 0.33" | 1.5" |
| 1984 | 18°F | 3°F | 0" | 0" |
| 1983 | 33°F | 11°F | 0.23" | 0.5" |
| 1982 | 23°F | -4°F | 0.03" | -- |
| 1981 | 42°F | 23°F | 0" | 0" |
| 1980 | -- | 26°F | 0" | 0" |
| 1979 | 25°F | 2°F | 0" | 0" |
| 1978 | 30°F | 5°F | 0" | 0" |
| 1977 | 22°F | -7°F | 0.2" | 0.8" |
| 1976 | 21°F | -7°F | 0" | 0" |
| 1975 | 37°F | 27°F | 0.36" | 1" |
| 1974 | 39°F | 36°F | 0" | 0" |
| 1973 | 54°F | 46°F | 0.76" | 0" |
| 1972 | 46°F | 32°F | 0" | 0" |
| 1971 | 22°F | 3°F | 0" | -- |