How Crowded Is Badlands in May?
May is an average month at Badlands National Park, running about 1.1× the park's average month — roughly 9% of the year's visitors come in May. That puts it between the July peak and the December low. Overall our best-time score rates May as "Good" for a visit. Typical May weather averages a high near 69°F and a low around 42°F, with about 3.2" of precipitation. You'll get about 14.5 hours of daylight to explore.
Frequently Asked Questions
May is average at Badlands National Park (about 1.1× the average month). Our best-time score rates it "Good". The single best month overall is May.
The busiest month is July and the quietest is December. May sits at about 1.1× the park's average, or 9% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.