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Hawaiʻi Volcanoes in July: Crowds, Weather & What to Pack

Peak crowds · VisitWhen score 46/100 · #9 of 12 months

July is peak season — the 2nd-busiest month of the year, at Hawaiʻi Volcanoes National Park: crowds run 97% of the December peak (146,134 average visits). Weather: highs average 77°F and lows 62°F, with 19.0″ of precipitation and 13.2 hours of daylight. Computed from NPS and NOAA data.

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Bring for Hawaiʻi Volcanoes in July

  1. Rain shell + pack coverSee it on AmazonWhy: 19.0″ of precipitation is normal this month.
  2. Waterproof bootsSee it on AmazonWhy: 19.0″ of precipitation is normal this month.
  3. Water bottles for the daySee it on AmazonWhy: hydration is one of the NPS Ten Essentials.

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Fountains of molten lava erupting from within a crater next to a whirlwind formed from the eruption.
Hawaiʻi Volcanoes National Park — photo: NPS Photo (public-domain NPS media)

Crowds in July

Hawaiʻi Volcanoes averages 146,134 recreation visits in July — 97% of what December, the peak month, draws. Trailheads and parking fill accordingly — book early and start days at dawn.

Average visits (July)
146,134 (mean 2021–2025, NPS)
Share of the year
9.4% of annual visitation
vs. peak (December)
97%

Weather & daylight

Days are mild (highs average 77°F), and nights stay mild (lows average 62°F). This is one of the wetter months (19.0″ of precipitation on average). Mid-month daylight runs 13.2 hours.

NOAA 1991–2020 monthly normals, station GLENWOOD #2 55.4, HI US (8 mi from park coordinates, 2,200 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of July.

What to pack for Hawaiʻi Volcanoes in July

Computed from the month's weather normals above — not a generic list.

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If your dates are flexible, consider shifting: The computed best month for Hawaiʻi Volcanoes is April.

Common questions

Is Hawaiʻi Volcanoes crowded in July?

Yes — July runs 97% of Hawaiʻi Volcanoes's peak, averaging 146,134 recreation visits (NPS, 2021–2025). See every month at Hawaiʻi Volcanoes.

What is the weather like in Hawaiʻi Volcanoes in July?

Average highs of 77°F, lows of 62°F, 19.0″ of precipitation (NOAA 1991–2020 normals, GLENWOOD #2 55.4, HI US station). Compare it with other national parks in July.

What should I pack for Hawaiʻi Volcanoes in July?

Rain shell + pack cover; Waterproof boots — plus navigation and a basic first-aid kit — the full weather-computed list is on this page. Going in August instead? Hawaiʻi Volcanoes in August has its own list.

← Hawaiʻi Volcanoes in June All months Hawaiʻi Volcanoes in August →

See also: the best national parks to visit in July · Last verified 2026-09-24

Also check in July

The nearest other parks that are not closed or rated Harsh in July, with the same NPS × NOAA verdict. Distance is a straight line.