How Crowded Is Olympic in October?
October is a quiet month at Olympic National Park, running about 0.8× the park's average month — roughly 7% of the year's visitors come in October. That puts it between the August peak and the December low. Overall our best-time score rates October as "Fair" for a visit. Typical October weather averages a high near 56°F and a low around 42°F, with about 5.9" of precipitation. You'll get about 10.6 hours of daylight to explore.
Frequently Asked Questions
October is quiet at Olympic National Park (about 0.8× the average month). Our best-time score rates it "Fair". The single best month overall is May.
The busiest month is August and the quietest is December. October sits at about 0.8× the park's average, or 7% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.