Indiana Dunes National Park in March
In March, Indiana Dunes National Park averages a high of 46°F and a low of 30°F, with 2.3 inches of precipitation (rain plus melted snow) and 6.0 inches of snowfall. About 124,000 people visit, the 8th busiest of 12 (quiet). Days are 11 hours 48 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 46° / 30°F
- Precipitation
- 2.3in
- Snow
- 6.0in
- Daylight
- 11h 48m
- Visitors
- 124,000
- Crowds
- Quiet
Best months for weather and crowds instead: April (moderate).
Weather 1991–2020 averages at Indiana Dunes Nl, IN, 3.4 miles from the park's center, 680 ft. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in March
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Sleeping Bear Dunes National Lakeshore | 38° / 23° | Quiet | Cold |
| Gateway Arch National Park | 56° / 36° | Moderate | Mild |
| Cuyahoga Valley National Park | 46° / 25° | Moderate | Cool |
| Mammoth Cave National Park | 62° / 40° | Busy | Mild, wet |
| Ozark National Scenic Riverways | 60° / 32° | Quiet | Mild, wet |
Closures, reservations and alerts: Indiana Dunes National Park on nps.gov
All twelve months at Indiana Dunes · National parks to visit in March