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

Shoulder · VisitWhen score 60/100 · #10 of 12 months

December is a solid shoulder-season month to visit Indiana Dunes National Park: crowds run 20% of the July peak (100,250 average visits), days average 37°F with 9.2 hours of daylight. Computed from NPS and NOAA data.

Crowds in December

Indiana Dunes averages 100,250 recreation visits in December — 20% of what July, the peak month, draws — the third-quietest month of the year. Plan lodging and entries with that in mind — this is genuine quiet-season territory.

Weather & daylight

Expect cold conditions (highs average 37°F), and nights drop below freezing (lows average 24°F). Average precipitation is 2.3″ for the month. Normal snowfall is 7″ — expect snow on the ground. Mid-month daylight runs 9.2 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 December.

What to pack for Indiana Dunes in December

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

• Insulated jacket, beanie and gloves — nights average 24°F, below freezing
• Packable rain jacket — 2.3″ of precipitation is normal this month
• Traction devices (microspikes) and gaiters — 7″ normal snowfall
• Headlamp — only 9.2 hours of daylight in mid-December
• Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month

Looking for a better window? The computed best months for Indiana Dunes are March and April.

Common questions

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