Hawaiʻi Volcanoes National Park visitation by month and year
December is the busiest month at Hawaiʻi Volcanoes, when the average temperature nearby is 74 degrees. April is the quietest, and the average temperature then is 74 degrees. The gap between them is narrow, 150,746 against 109,889. The peak sits well away from the warmest month, which is August. Annual visits rose 37.2 percent from 1,368,376 in 2019 to 1,877,854 in 2025.
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Visits by month, with temperature and precipitation
Annual visits, 1979 to 2025
The last ten years
| Year | Recreation visits | Change on prior year |
|---|---|---|
| 2025 | 1,877,854 | +31.0% |
| 2024 | 1,433,593 | -11.5% |
| 2023 | 1,620,294 | +2.5% |
| 2022 | 1,580,961 | +25.2% |
| 2021 | 1,262,747 | +114.1% |
| 2020 | 589,775 | -56.9% |
| 2019 | 1,368,376 | +22.5% |
| 2018 | 1,116,891 | -44.6% |
| 2017 | 2,016,702 | +6.8% |
| 2016 | 1,887,580 | +3.0% |
Visitation at other parks
Source: NPS Visitor Use Statistics, monthly recreation visits, as compiled for Publicopia Labs. A year is shown only when all twelve months were reported. Temperature, precipitation and snowfall normals are the 1991 to 2020 monthly averages published by NOAA NCEI for station USC00518600, 80 feet above sea level. Data refreshed October 14, 2026.