Great Sand Dunes in March: Crowds, Weather & What to Pack

Best window · VisitWhen score 75/100 · #3 of 12 months

March is one of the best months of the year to visit Great Sand Dunes National Park: crowds run 21% of the June peak (19,654 average visits), days average 49°F with 11.9 hours of daylight. Computed from NPS and NOAA data.

Crowds in March

Great Sand Dunes averages 19,654 recreation visits in March — 21% of what June, the peak month, draws. Plan lodging and entries with that in mind — this is genuine quiet-season territory.

Weather & daylight

Expect cool days (highs average 49°F), and nights drop below freezing (lows average 24°F). It is typically dry (0.9″ of precipitation). Normal snowfall is 9″ — expect snow on the ground. Mid-month daylight runs 11.9 hours.

NOAA 1991–2020 monthly normals, station GREAT SAND DUNES NP & PRESERVE, CO US (7 mi from park coordinates, 8,183 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of March.

What to pack for Great Sand Dunes in March

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

• Insulated jacket, beanie and gloves — nights average 24°F, below freezing
• Traction devices (microspikes) and gaiters — 9″ 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