How Crowded Is Whitman Mission in July?
July is a busy month at Whitman Mission National Historic Site, running about 1.3× the park's average month — roughly 11% of the year's visitors come in July. That puts it between the May peak and the December low. Overall our best-time score rates July as "Good" for a visit. Typical July weather averages a high near 90°F and a low around 54°F, with about 0.4" of precipitation. You'll get about 15.2 hours of daylight to explore.
Frequently Asked Questions
July is busy at Whitman Mission National Historic Site (about 1.3× the average month). Our best-time score rates it "Good". The single best month overall is August.
The busiest month is May and the quietest is December. July sits at about 1.3× the park's average, or 11% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.