Hawaiʻi Volcanoes National Park in August
August at Hawaiʻi Volcanoes National Park averages a daytime high near 85°F and an overnight low around 71°F, with about 2.9" of precipitation. Visitation runs about 1× the park's average month, which makes August an average month here.
- Average low
- 71°F
- Average high
- 85°F
Range across the year: 65°F to 85°F
- Precipitation
- 2.9 in
- Daylight
- 12.7 hours
Roughly 8% of the park's yearly visitors come in August: about 122,000 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes August the 7th-busiest of the park's twelve months, sitting between the January peak (1.2×) and the September low (0.8×).
On our Best Time to Visit score August rates 62/100 ("Good"). Our recommended month is September: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 78°F is warm enough that midday heat is worth planning around. These figures are 1991–2020 NOAA climate normals from the nearest station, about 14.2 miles from the park.
August falls inside the park's busiest stretch: June, July and August together pull about 25% of the year's visitors, so a visit this month means sharing the park with the peak-season crowd.
You'll have about 12.7 hours of daylight in August to explore — between the 10.8-hour midwinter low and the 13.2-hour summer high.
Park-wide, 2025 drew 1,877,854 recreation visits, up 31% from 1,433,593 in 2024.
Across the past decade overall visitation has risen about 11.4%, so a August visit is likely to feel busier than it did a few years ago.
How August compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| July | 84°F / 70°F | 1.1× Average | 59 Fair |
| August | 85°F / 71°F | 1.0× Average | 62 Good |
| September | 84°F / 70°F | 0.8× Quiet | 79 Excellent |
All twelve months at Hawaiʻi Volcanoes, with the best time to visit.
Frequently Asked Questions
August averages a daytime high near 85°F and an overnight low around 71°F at Hawaiʻi Volcanoes National Park, with about 2.9 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 14.2 miles from the park, so conditions inside the park can differ, especially at other elevations.
August is average at Hawaiʻi Volcanoes National Park (about 1.0× the average month). Our best-time score rates it "Good" at 62/100. Our recommended month 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.
A typical August sees about 122,000 recreation visits at Hawaiʻi Volcanoes National Park, based on National Park Service monthly counts from 1979–2025.
Where to stay near Hawaiʻi Volcanoes in August
Booking a August trip to Hawaiʻi Volcanoes National Park? Compare hotels, cabins and vacation rentals near the park with live August availability and prices.
Top-rated places to stay near Hawaiʻi Volcanoes
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See the full ranking of the best national parks to visit in August.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.