How Crowded Is Tumacácori in July?
July is a very quiet month at Tumacácori National Historical Park, running about 0.4× the park's average month — roughly 3% of the year's visitors come in July. That puts it between the December peak and the August low. Overall our best-time score rates July as "Excellent" for a visit. Typical July weather averages a high near 93°F and a low around 67°F, with about 3.8" of precipitation. You'll get about 13.9 hours of daylight to explore.
Frequently Asked Questions
July is very quiet at Tumacácori National Historical Park (about 0.4× the average month). Our best-time score rates it "Excellent". The single best month overall is August.
The busiest month is December and the quietest is August. July sits at about 0.4× the park's average, or 3% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.