How Crowded Is Hawaiʻi Volcanoes in August?
August is an average month at Hawaiʻi Volcanoes National Park, running about 1.0× the park's average month — roughly 8% of the year's visitors come in August. That puts it between the January peak and the September low. Overall our best-time score rates August as "Good" for a visit. Typical August weather averages a high near 85°F and a low around 71°F, with about 2.9" of precipitation. You'll get about 12.7 hours of daylight to explore.
Frequently Asked Questions
August is average at Hawaiʻi Volcanoes National Park (about 1.0× the average month). Our best-time score rates it "Good". The single best month overall is September.
The busiest month is January and the quietest is September. August sits at about 1.0× the park's average, or 8% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.