How Crowded Is Indiana Dunes National Park in March?

March runs about 0.6× Indiana Dunes National Park's average month, which makes it a quiet month here — roughly 5% of the park's yearly visitors come in March.

In a typical March the park sees about 129,000 recreation visits, based on National Park Service monthly counts from 1979 to 2025.

That makes March the 8th-busiest of the park's twelve months, sitting between the July peak (2.2×) and the January low (0.4×).

On our Best Time to Visit score March rates 41/100 ("Poor"), versus the top-rated May at 65/100 — best overall balance of crowds, weather and daylight.

Typical March weather, from 1991–2020 NOAA climate normals at the nearest station, averages a daytime high near 46°F and an overnight low around 30°F, with about 2.3" of precipitation and roughly 6" of snow.

That average of about 38°F is cool, so layers and a shorter daylight window matter.

Because June, July and August together draw about 49% of annual visitors, choosing March instead steps outside that summer crush — the single biggest lever on how crowded the park feels.

You'll have about 11.7 hours of daylight in March to explore — between the 9-hour midwinter low and the 15-hour summer high.

Park-wide, 2025 drew 2,629,497 recreation visits, down 2.8% from 2,705,209 in 2024.

Across the past decade overall visitation has risen about 40.6%, so a March visit is likely to feel busier than it did a few years ago.