Weather on November 20 at Indiana Dunes
Indiana Dunes National Park
Based on 55 years of data from Gary, IN
Planning Your Visit
November 20th in Indiana Dunes National Park (via Gary, IN) typically brings cool fall weather, with average highs around 50°F and lows near 33°F. Over 55 years of records, the warmest November 20th was in 2020 (59°F average), while the coldest was 2022 (16°F) — a 43°F range across recorded history. Precipitation has occurred on 40% of recorded November 20th dates, with snow falling 4% of the time. The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
Planning for November 20th in Indiana Dunes? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 48°F | 44°F | 0" | 0" |
| 2024 | 64°F | 41°F | 0.28" | 0" |
| 2023 | 53°F | 29°F | 0" | 0" |
| 2022 | 26°F | 7°F | 0" | 0" |
| 2021 | -- | 29°F | 0" | 0" |
| 2020 | 66°F | 52°F | 0" | 0" |
| 2019 | 42°F | 37°F | 0.1" | 0" |
| 2018 | 36°F | 27°F | 0.86" | 0.4" |
| 2017 | 37°F | 27°F | -- | 0" |
| 2016 | 38°F | 31°F | 0.38" | 0" |
| 2015 | 46°F | 30°F | -- | -- |
| 2014 | 33°F | 18°F | 0" | 0" |
| 2013 | 43°F | 31°F | 0" | 0" |
| 2012 | 57°F | 38°F | 0.13" | 0" |
| 2011 | 59°F | 43°F | 0" | 0" |
| 2010 | 48°F | 31°F | 0" | 0" |
| 2009 | 47°F | 41°F | 0.05" | 0" |
| 2008 | 44°F | 30°F | 0" | 0" |
| 2007 | 61°F | 41°F | 0" | 0" |
| 2006 | 40°F | 36°F | 0.1" | 0" |
| 2005 | 55°F | 34°F | 0" | 0" |
| 2004 | 58°F | 51°F | 0.1" | 0" |
| 2003 | 59°F | 34°F | 0" | 0" |
| 2002 | 55°F | 36°F | 0" | 0" |
| 2001 | 48°F | 37°F | 0" | 0" |
| 2000 | 42°F | 23°F | 0.03" | 0" |
| 1999 | 44°F | 29°F | 0.05" | 0" |
| 1998 | 44°F | 27°F | 0" | 0" |
| 1997 | 46°F | 32°F | 0" | 0" |
| 1996 | 34°F | 28°F | 2.79" | -- |
| 1995 | 53°F | 28°F | -- | -- |
| 1994 | 60°F | 26°F | 0.91" | 0" |
| 1993 | 46°F | 23°F | 0" | 0" |
| 1992 | 64°F | 40°F | 0" | 0" |
| 1991 | 57°F | 41°F | 1.85" | 0" |
| 1990 | 59°F | 36°F | 0" | 0" |
| 1989 | 58°F | 44°F | 0" | 0" |
| 1988 | 45°F | 38°F | 1.37" | 0" |
| 1987 | 42°F | -- | 0" | 0" |
| 1986 | 36°F | 24°F | 0.56" | 0.5" |
| 1985 | 65°F | 28°F | 2.24" | 0" |
| 1984 | 37°F | 26°F | 0" | 0" |
| 1983 | 63°F | 40°F | 0.66" | 0" |
| 1982 | 61°F | 53°F | 2.54" | 0" |
| 1981 | 51°F | 24°F | -- | 0" |
| 1980 | 48°F | 28°F | 0" | 0" |
| 1979 | -- | 31°F | 0" | 0" |
| 1978 | -- | 28°F | 0" | 0" |
| 1977 | 58°F | 38°F | 0.81" | 0" |
| 1976 | 46°F | 30°F | 0" | -- |
| 1975 | 63°F | 43°F | 1.19" | 0" |
| 1974 | 54°F | 34°F | 0.05" | 0" |
| 1973 | 54°F | 40°F | 0" | 0" |
| 1972 | 41°F | 32°F | 0.38" | 0" |
| 1971 | 50°F | 35°F | 0" | 0" |