How Crowded Is Katmai in August?
August is a very busy month at Katmai National Park & Preserve, running about 3.2× the park's average month — roughly 26% of the year's visitors come in August. That puts it between the July peak and the January low. Overall our best-time score rates August as "Fair" for a visit. Typical August weather averages a high near 61°F and a low around 45°F, with about 4.4" of precipitation. You'll get about 15.2 hours of daylight to explore.
Frequently Asked Questions
August is very busy at Katmai National Park & Preserve (about 3.2× the average month). Our best-time score rates it "Fair". The single best month overall is May.
The busiest month is July and the quietest is January. August sits at about 3.2× the park's average, or 26% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.