Indiana Dunes National Park in March

Indiana Dunes National Park · crowd + weather almanac

March crowd level quiet

about 124,000 visits in a typical March

The 7th-busiest month of the year · median of 2016–2025 official NPS counts

March is the 7th-busiest month of the year at Indiana Dunes National Park: about 124,000 recreation visits in a typical March (5% of the year's traffic, and 28% of what the peak month, July, sees). This is one of the quieter months of the year here. Weather-wise, March days at the Indiana Dunes Nl, IN station typically top out around 46°F with nights near 30°F, and about 2.3 inches of precipitation falls over the month. The station's long-term normal includes about 6 inches of March snowfall.

Typical March: 124,061 recreation visits (median 2016–2025); the range across those years ran 90,620 (2017) to 219,070 (2019).
Busier than 5 of the other 11 months.
1991–2020 March normals at Indiana Dunes Nl, IN: high 46°F, low 30°F, 2.34 in precipitation, 6.0 in snow.

Typical (median) monthly recreation visits at Indiana Dunes National Park, 2016–2025. March highlighted. Source: NPS Visitor Use Statistics.

March weather (1991–2020 normals)

Typical daytime high	46°F
Typical overnight low	30°F
Precipitation (monthly normal)	2.34 in
Snowfall (monthly normal)	6.0 in
Measured at	Indiana Dunes Nl, IN (USC00124244), 2.4 mi from the park reference point, elev. 680 ft

Every month at Indiana Dunes

Month	Typical visits	Crowds	High / Low	Precip
January	71,142	quiet	32°F / 18°F	2.2 in
February	85,577	quiet	36°F / 21°F	2.0 in
March	124,061	quiet	46°F / 30°F	2.3 in
April	122,599	quiet	57°F / 40°F	3.5 in
May	204,925	moderate	68°F / 50°F	4.3 in
June	330,558	busy	78°F / 60°F	4.3 in
July	436,351	busiest stretch	82°F / 64°F	4.0 in
August	397,679	busiest stretch	80°F / 63°F	4.1 in
September	242,939	moderate	74°F / 56°F	3.6 in
October	184,907	moderate	62°F / 45°F	3.8 in
November	95,411	quiet	49°F / 34°F	2.8 in
December	88,593	quiet	37°F / 24°F	2.3 in

Official NPS page for Indiana Dunes →