How Crowded Is Grand Teton in May?
May is an average month at Grand Teton National Park, running about 1.0× the park's average month — roughly 8% 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 "Fair" for a visit. Typical May weather averages a high near 56°F and a low around 31°F, with about 2.4" of precipitation and roughly 2.9" of snow. You'll get about 14.5 hours of daylight to explore.
Frequently Asked Questions
May is average at Grand Teton National Park (about 1.0× the average month). Our best-time score rates it "Fair". The single best month overall is April.
The busiest month is July and the quietest is December. May sits at about 1.0× the park's average, or 8% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.