Indiana Dunes in March: Crowds, Weather & What to Pack

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March is one of the best months of the year to visit Indiana Dunes National Park: crowds run 26% of the July peak (133,910 average visits), days average 46°F with 11.9 hours of daylight. Computed from NPS and NOAA data.

Crowds in March

Indiana Dunes averages 133,910 recreation visits in March — 26% of what July, the peak month, draws. Plan lodging and entries with that in mind.

Weather & daylight

Expect cool days (highs average 46°F), and nights drop below freezing (lows average 30°F). Average precipitation is 2.3″ for the month. Normal snowfall is 6″ — expect snow on the ground. Mid-month daylight runs 11.9 hours.

NOAA 1991–2020 monthly normals, station INDIANA DUNES NL, IN US (1 mi from park coordinates, 680 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of March.

What to pack for Indiana Dunes in March

Computed from the month's weather normals above — not a generic list.

• Insulated jacket, beanie and gloves — nights average 30°F, below freezing
• Packable rain jacket — 2.3″ of precipitation is normal this month
• Traction devices (microspikes) and gaiters — 6″ normal snowfall
• Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month

Common questions

See also: the best national parks to visit in March · Last verified 2026-07-16