How Crowded Is Hawaiʻi Volcanoes in July?
July is an average month at Hawaiʻi Volcanoes National Park, running about 1.1× the park's average month — roughly 9% of the year's visitors come in July. That puts it between the January peak and the September low. Overall our best-time score rates July as "Fair" for a visit. Typical July weather averages a high near 84°F and a low around 70°F, with about 1.9" of precipitation. You'll get about 13.1 hours of daylight to explore.
Frequently Asked Questions
July is average at Hawaiʻi Volcanoes 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 January and the quietest is September. July 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.