Indiana Dunes National Park weather in June
June in Indiana Dunes National Park: warm, rainy — an excellent time to visit.
#3 of 12 months in Indiana Dunes National Park · #293 of 604 destinations to visit in June · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Indiana Dunes National Park climate normals — June
| Daytime high | 23°C / 73°F | 🌤 warm |
|---|---|---|
| Nighttime low | 17°C / 63°F | |
| Feels like (high) | 24°C / 75°F | |
| Rainfall | 121 mm / 4.8 in | 🌧 rainy |
| Rainy days | 11 days | |
| Humidity | 72% | 💧 humid |
| Dew point | 14°C / 57°F | |
| Sunshine | 11.9 h/day | |
| Daylight | 15.1 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 67 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Indiana Dunes National Park in June — FAQ
- Is June a good time to visit Indiana Dunes National Park?
- June in Indiana Dunes National Park: warm, rainy — an excellent time to visit. It ranks #3 of 12 months for Indiana Dunes National Park on SeasonMap's comfort score (82/100).
- What is the weather like in Indiana Dunes National Park in June?
- In June, Indiana Dunes National Park averages a daily high of 23°C and a low of 17.2°C, with about 121.4 mm of rain over roughly 11.4 rainy days.
- What is the air quality in Indiana Dunes National Park in June?
- Indiana Dunes National Park has a mean US Air Quality Index of about 67 in June.