Weather on February 20 at Indiana Dunes
Indiana Dunes National Park
Based on 56 years of data from Gary, IN
Planning Your Visit
February 20th in Indiana Dunes National Park (via Gary, IN) typically brings chilly winter weather, with average highs around 42°F and lows near 23°F. Over 56 years of records, the warmest February 20th was in 1994 (56°F average), while the coldest was 2015 (-1°F) — a 57°F range across recorded history. Precipitation has occurred on 29% of recorded February 20th dates, with snow falling 9% of the time (heaviest snowfall: 1.8"). The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
Planning for February 20th in Indiana Dunes? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 62°F | 36°F | 0.38" | 0" |
| 2025 | 23°F | 10°F | 0" | 0" |
| 2024 | 51°F | 20°F | 0" | 0" |
| 2023 | 54°F | 26°F | 0" | 0" |
| 2022 | 30°F | 8°F | -- | -- |
| 2021 | 32°F | 2°F | -- | -- |
| 2020 | 27°F | 11°F | 0" | 0" |
| 2019 | 35°F | 23°F | 0.18" | 1" |
| 2018 | 61°F | 41°F | -- | 0" |
| 2017 | 61°F | 44°F | 0" | 0" |
| 2016 | 65°F | 43°F | 0" | 0" |
| 2015 | 8°F | -11°F | 0" | 0" |
| 2014 | 48°F | 31°F | 2.03" | 0" |
| 2013 | 18°F | 13°F | 0" | 0" |
| 2012 | 33°F | 19°F | 0" | 0" |
| 2011 | 34°F | 23°F | 0.46" | 0" |
| 2010 | 39°F | 21°F | 0" | 0" |
| 2009 | 25°F | 13°F | 0" | 0" |
| 2008 | 17°F | 7°F | 0.15" | 0.8" |
| 2007 | 45°F | 25°F | 0" | 0" |
| 2006 | 20°F | 6°F | 0" | 0" |
| 2005 | 40°F | 24°F | 0.76" | 1.5" |
| 2004 | 44°F | 34°F | 0.03" | 0" |
| 2003 | 39°F | 25°F | 0" | 0" |
| 2002 | 51°F | 41°F | 1.12" | 0" |
| 2001 | 45°F | 30°F | 0" | 0" |
| 2000 | 36°F | 14°F | 0" | 0" |
| 1999 | 37°F | 20°F | 0.1" | -- |
| 1998 | 40°F | 32°F | 0" | 0" |
| 1997 | 55°F | 31°F | 5.21" | 0" |
| 1996 | 51°F | 32°F | 0" | 0" |
| 1995 | 52°F | 26°F | 0" | 0" |
| 1994 | 62°F | 50°F | 0.71" | 0" |
| 1993 | 31°F | 14°F | 0" | 0" |
| 1992 | 43°F | 32°F | 0" | 0" |
| 1991 | 46°F | 28°F | 0" | 0" |
| 1990 | 35°F | 15°F | 0" | 0" |
| 1989 | 33°F | 26°F | 0.28" | 1.8" |
| 1988 | 38°F | 18°F | 0.13" | 1" |
| 1987 | 50°F | 16°F | 0" | 0" |
| 1986 | 40°F | 33°F | 0.05" | 0" |
| 1985 | 44°F | 14°F | 0" | 0" |
| 1984 | 45°F | 29°F | 0" | 0" |
| 1983 | 65°F | 32°F | 0" | 0" |
| 1982 | 46°F | 31°F | 0" | 0" |
| 1981 | 56°F | 30°F | 0" | -- |
| 1980 | 41°F | 32°F | 0" | -- |
| 1979 | 36°F | 9°F | 0" | 0" |
| 1978 | 26°F | -2°F | 0" | 0" |
| 1977 | 38°F | 19°F | 0" | 0" |
| 1976 | 55°F | 31°F | 0" | 0" |
| 1975 | 43°F | 24°F | 0" | 0" |
| 1974 | 46°F | 20°F | 0" | 0" |
| 1973 | 39°F | 32°F | 0.28" | 0" |
| 1972 | 36°F | 21°F | 0" | 0" |
| 1971 | 52°F | 33°F | 0.15" | -- |