Weather on May 30 at Indiana Dunes
Indiana Dunes National Park
Based on 55 years of data from Gary, IN
Planning Your Visit
May 30th in Indiana Dunes National Park (via Gary, IN) typically brings pleasant spring weather, with average highs around 76°F and lows near 54°F. Over 55 years of records, the warmest May 30th was in 1978 (80°F average), while the coldest was 2001 (50°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 31% of May 30th dates historically, with the wettest May 30th recording 2.92" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for May 30th 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 | 73°F | 52°F | 0" | 0" |
| 2024 | 60°F | 44°F | 0" | 0" |
| 2023 | 78°F | 55°F | 0" | 0" |
| 2022 | 84°F | 67°F | -- | 0" |
| 2021 | 65°F | 39°F | -- | -- |
| 2020 | 68°F | 50°F | -- | -- |
| 2019 | 66°F | 53°F | 0.61" | 0" |
| 2018 | 79°F | 66°F | 0" | 0" |
| 2017 | 79°F | 51°F | 0" | 0" |
| 2016 | 83°F | 59°F | 0" | 0" |
| 2015 | 84°F | 68°F | 0.2" | 0" |
| 2014 | 71°F | 52°F | 0" | 0" |
| 2013 | 82°F | 67°F | 0.41" | 0" |
| 2012 | 82°F | 50°F | 0" | 0" |
| 2011 | 77°F | 58°F | 0.71" | 0" |
| 2010 | 76°F | 61°F | 0" | 0" |
| 2009 | 74°F | 47°F | 0" | 0" |
| 2008 | 67°F | 56°F | 0.05" | 0" |
| 2007 | 87°F | 64°F | 0" | 0" |
| 2006 | 92°F | 68°F | 0.15" | 0" |
| 2005 | 70°F | 47°F | 0" | 0" |
| 2004 | 73°F | 54°F | 0" | 0" |
| 2003 | 69°F | 42°F | -- | -- |
| 2002 | 80°F | 64°F | 0" | 0" |
| 2001 | 58°F | 42°F | 0" | 0" |
| 2000 | 66°F | 57°F | 0" | 0" |
| 1999 | 84°F | 58°F | 0" | 0" |
| 1998 | 81°F | 61°F | 0" | 0" |
| 1997 | 69°F | 54°F | -- | 0" |
| 1996 | 63°F | 41°F | -- | 0" |
| 1995 | 79°F | 49°F | -- | 0" |
| 1994 | 82°F | 60°F | 0" | 0" |
| 1993 | 66°F | 45°F | 1.09" | 0" |
| 1992 | 62°F | 48°F | 0.76" | 0" |
| 1991 | 88°F | 70°F | 0.1" | 0" |
| 1990 | 64°F | 39°F | 0" | 0" |
| 1989 | 86°F | 66°F | 0.1" | 0" |
| 1988 | 92°F | 58°F | 0" | 0" |
| 1987 | 92°F | 67°F | 1.5" | 0" |
| 1986 | 84°F | 53°F | 0" | 0" |
| 1985 | 77°F | 62°F | 0" | 0" |
| 1984 | 68°F | 40°F | 0" | 0" |
| 1983 | 61°F | 45°F | 0" | 0" |
| 1982 | 75°F | 52°F | 0.58" | 0" |
| 1981 | 80°F | 51°F | 2.92" | 0" |
| 1980 | 87°F | 48°F | 0.66" | 0" |
| 1979 | 81°F | 53°F | 0" | 0" |
| 1978 | 91°F | 68°F | 0" | 0" |
| 1977 | 84°F | 60°F | 0" | 0" |
| 1976 | 75°F | 54°F | 0" | 0" |
| 1975 | 78°F | 65°F | 0.81" | 0" |
| 1974 | 78°F | 56°F | 0" | 0" |
| 1973 | 56°F | 46°F | 0.81" | 0" |
| 1972 | 81°F | 43°F | 0.23" | 0" |
| 1971 | 80°F | 42°F | 0" | 0" |