Wind Cave in May: Crowds, Weather & What to Pack

Shoulder · VisitWhen score 76/100 · #4 of 12 months

May is a solid shoulder-season month to visit Wind Cave National Park: crowds run 56% of the July peak (67,564 average visits), days average 66°F with 14.7 hours of daylight. Computed from NPS and NOAA data.

Crowds in May

Wind Cave averages 67,564 recreation visits in May — 56% of what July, the peak month, draws. Trailheads and parking fill accordingly.

Average visits (May)

67,564 (mean 2021–2025, NPS)

Share of the year

11.2% of annual visitation

vs. peak (July)

56%

Weather & daylight

Days are mild (highs average 66°F), and mornings are chilly (lows average 41°F). Average precipitation is 3.7″ for the month. Mid-month daylight runs 14.7 hours.

NOAA 1991–2020 monthly normals, station WIND CAVE, SD US (0 mi from park coordinates, 4,155 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of May.

What to pack for Wind Cave in May

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

Warm mid-layer (fleece or light puffy) — mornings average 41°F
Rain shell + pack cover — 3.7″ of precipitation is normal this month
Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month

If your dates are flexible, consider shifting: The computed best months for Wind Cave are March and April.

Common questions

Is Wind Cave crowded in May?

Moderately: May runs 56% of the July peak, averaging 67,564 visits (NPS, 2021–2025).

What is the weather like in Wind Cave in May?

Average highs of 66°F, lows of 41°F, 3.7″ of precipitation (NOAA 1991–2020 normals, WIND CAVE, SD US station).

What should I pack for Wind Cave in May?

Warm mid-layer (fleece or light puffy); Rain shell + pack cover; Sturdy broken-in footwear, navigation and a basic first-aid kit — the full weather-computed list is on this page.

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