How Crowded Is San Juan in October?
Quiet0.6× average month · best-time score 75/100
October is a quiet month at San Juan National Historic Site, running about 0.6× the park's average month — roughly 5% of the year's visitors come in October. That puts it between the March peak and the September low. Overall our best-time score rates October as "Excellent" for a visit. You'll get about 11.6 hours of daylight to explore.
Frequently Asked Questions
October is quiet at San Juan National Historic Site (about 0.6× the average month). Our best-time score rates it "Excellent". The single best month overall is September.
The busiest month is March and the quietest is September. October sits at about 0.6× the park's average, or 5% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025). Updated 2026-06-20.