Hawaii Volcanoes National Park weather in August
August in Hawaii Volcanoes National Park: nice, rainy, with clean air — an excellent time to visit.
#4 of 12 months in Hawaii Volcanoes National Park · #217 of 604 destinations to visit in August · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Hawaii Volcanoes National Park climate normals — August
| Daytime high | 22°C / 71°F | 😎 nice |
|---|---|---|
| Nighttime low | 16°C / 60°F | |
| Feels like (high) | 23°C / 73°F | |
| Rainfall | 97 mm / 3.8 in | 🌧 rainy |
| Rainy days | 17 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 14°C / 57°F | |
| Sunshine | 11.7 h/day | |
| Daylight | 12.8 h | |
| Wind | 20 km/h / 13 mph | |
| Air quality (US AQI) | 17 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Hawaii Volcanoes National Park in August — FAQ
- Is August a good time to visit Hawaii Volcanoes National Park?
- August in Hawaii Volcanoes National Park: nice, rainy, with clean air — an excellent time to visit. It ranks #4 of 12 months for Hawaii Volcanoes National Park on SeasonMap's comfort score (84/100).
- What is the weather like in Hawaii Volcanoes National Park in August?
- In August, Hawaii Volcanoes National Park averages a daily high of 21.5°C and a low of 15.7°C, with about 97 mm of rain over roughly 16.6 rainy days.
- What is the air quality in Hawaii Volcanoes National Park in August?
- Hawaii Volcanoes National Park has a mean US Air Quality Index of about 17 in August.