How Crowded Is Haleakalā in July?
July is an average month at Haleakalā National Park, running about 1.1× the park's average month — roughly 10% of the year's visitors come in July. It is in fact the busiest month of the year here, so expect full parking lots, busy trails and booked-out campgrounds. If crowds bother you, November (the quietest month) or the recommended September are easier. Typical July weather averages a high near 66°F and a low around 49°F, with about 2.7" of precipitation. You'll get about 13.1 hours of daylight to explore.
Frequently Asked Questions
July is average at Haleakalā National Park (about 1.1× the average month). Our best-time score rates it "Poor". The single best month overall is September.
The busiest month is July and the quietest is November. July sits at about 1.1× the park's average, or 10% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.