Weather on May 17 at Indiana Dunes
Indiana Dunes National Park
Based on 54 years of data from Gary, IN
Planning Your Visit
May 17th in Indiana Dunes National Park (via Gary, IN) typically brings pleasant spring weather, with average highs around 72°F and lows near 48°F. Over 54 years of records, the warmest May 17th was in 2017 (78°F average), while the coldest was 2014 (41°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 37% of May 17th dates historically, with the wettest May 17th recording 3" of rain. The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
Planning for May 17th in Indiana Dunes? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 88°F | 57°F | 0" | 0" |
| 2024 | 75°F | 58°F | 0.3" | 0" |
| 2023 | 77°F | 46°F | 0" | 0" |
| 2022 | 75°F | 49°F | 0" | 0" |
| 2021 | 71°F | 56°F | -- | -- |
| 2020 | 69°F | 56°F | -- | -- |
| 2019 | 73°F | 47°F | 1.93" | 0" |
| 2018 | 72°F | 52°F | 0" | 0" |
| 2017 | 86°F | 69°F | 0" | 0" |
| 2016 | 67°F | 46°F | 0.13" | 0" |
| 2015 | 78°F | 67°F | 0.03" | 0" |
| 2014 | 44°F | 38°F | 0.18" | 0" |
| 2013 | 78°F | 56°F | 0" | 0" |
| 2012 | 58°F | 42°F | 0" | 0" |
| 2011 | 49°F | 40°F | 0.03" | 0" |
| 2010 | 69°F | 51°F | 0.03" | 0" |
| 2009 | 61°F | 35°F | 0.03" | 0" |
| 2008 | 71°F | 51°F | 0" | 0" |
| 2007 | 58°F | 42°F | 0.41" | 0" |
| 2006 | 56°F | 43°F | 0.05" | 0" |
| 2005 | 57°F | 45°F | 0" | 0" |
| 2004 | 71°F | 43°F | 0" | 0" |
| 2003 | 76°F | 49°F | -- | -- |
| 2002 | 69°F | 40°F | 1.35" | 0" |
| 2000 | 66°F | 51°F | 0.41" | 0" |
| 1999 | 83°F | 63°F | 0.03" | 0" |
| 1998 | 84°F | 51°F | 0" | 0" |
| 1997 | 58°F | 40°F | -- | 0" |
| 1996 | 87°F | 64°F | -- | 0" |
| 1995 | 77°F | 47°F | 0.41" | 0" |
| 1994 | 53°F | 40°F | 0" | 0" |
| 1993 | 68°F | 39°F | 0" | 0" |
| 1992 | 82°F | 70°F | 0" | 0" |
| 1991 | 74°F | 47°F | 0" | 0" |
| 1990 | 75°F | 53°F | 1.45" | 0" |
| 1989 | 80°F | 47°F | 0" | 0" |
| 1988 | 60°F | 36°F | 0" | 0" |
| 1987 | 90°F | 50°F | 0" | 0" |
| 1986 | 82°F | 68°F | 0.05" | 0" |
| 1985 | 58°F | 44°F | 0.3" | 0" |
| 1984 | 82°F | 38°F | 0" | 0" |
| 1983 | 66°F | 31°F | 0.08" | 0" |
| 1982 | 87°F | 53°F | 0" | 0" |
| 1981 | 73°F | 42°F | 0" | 0" |
| 1980 | 58°F | 42°F | 1.63" | 0" |
| 1979 | 78°F | 51°F | 0" | 0" |
| 1978 | 64°F | 43°F | 0" | 0" |
| 1977 | 90°F | 64°F | 0" | 0" |
| 1976 | 70°F | 44°F | 0" | 0" |
| 1975 | 74°F | 38°F | 0" | 0" |
| 1974 | 78°F | 48°F | 3" | 0" |
| 1973 | 60°F | 31°F | 0" | 0" |
| 1972 | 77°F | 45°F | 0" | 0" |
| 1971 | 87°F | 44°F | 0" | 0" |