How Crowded Is Katmai in May?
May is a very quiet month at Katmai National Park & Preserve, running about 0.0× the park's average month — roughly 0% of the year's visitors come in May. That puts it between the July peak and the January low. Overall our best-time score rates May as "Good" for a visit. Typical May weather averages a high near 52°F and a low around 33°F, with about 1.5" of precipitation. You'll get about 16.5 hours of daylight to explore.
Frequently Asked Questions
May is very quiet at Katmai National Park & Preserve (about 0.0× 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 January. May sits at about 0.0× the park's average, or 0% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.