How Crowded Is Haleakalā in June?
June is an average month at Haleakalā National Park, running about 1.1× the park's average month — roughly 9% of the year's visitors come in June. That puts it between the July peak and the November low. Overall our best-time score rates June as "Fair" for a visit. Typical June weather averages a high near 66°F and a low around 48°F, with about 1.6" of precipitation. You'll get about 13.3 hours of daylight to explore.
Frequently Asked Questions
June is average at Haleakalā National Park (about 1.1× the average month). Our best-time score rates it "Fair". The single best month overall is September.
The busiest month is July and the quietest is November. June sits at about 1.1× the park's average, or 9% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.