Kaau Crater
Protected park · HI, USA
Kaau Crater in HI, USA.
When is the best time to visit Kaau Crater?
By typical weather, the best months for a day outdoors here are January and February.
The warmest month is September, with average highs near 81°F (27°C); the coolest is March, near 76°F (24°C).
July is the wettest month, with about 15.4 in (391 mm) of precipitation in a typical July.
Official facts
The Forest Service rates the wildfire hazard potential at Kaau Crater's mapped point moderate (2023 map); that is a measure of the land, not a forecast.
The nearest live USGS river gauge to Kaau Crater is Waiakeakua Str At Honolulu, Oahu, HI (16240500), 2.8 km away.
Critical habitat: Blackline Hawaiian damselfly (endangered). Megalagrion nigrohamatum nigrolineatum. Endangered Species Act critical habitat (final rule published 2012-09-18, 77 FR 57647), mapped at or near this park.
Critical habitat: Crimson Hawaiian damselfly (endangered). Megalagrion leptodemas. Endangered Species Act critical habitat (final rule published 2012-09-18, 77 FR 57647), mapped at or near this park.
More critical habitat: 39 more species. Ha`iwale, Ha`iwale, Ha`iwale, Ha`iwale, Ha`iwale, Haha, Haha, Haha, Haha, Haha, Haha, Haha, Haha, Haha, Haha, Haiwale, Haiwale, Kamakahala, Kaulu, Kolea, Kopiko, Kuahiwi laukahi, Nanu, No common name, No common name, No common name, No common name, No common name, No common name, No common name, No common name, No common name, No common name, No common name, Oahu elepaio, Oceanic Hawaiian damselfly, Palai la`au, Wawae`iole, Aupaka.
Critical habitat: Ha`iwale (endangered). Cyrtandra polyantha. Endangered Species Act critical habitat (final rule published 2012-09-18, 77 FR 57647), mapped at or near this park.
Critical habitat: Alani (endangered). Melicope lydgatei. Endangered Species Act critical habitat (final rule published 2012-09-18, 77 FR 57647), mapped at or near this park.
Critical habitat: `Ohe`ohe (endangered). Polyscias gymnocarpa. Endangered Species Act critical habitat (final rule published 2012-09-18, 77 FR 57647), mapped at or near this park.
Critical habitat: Alani (endangered). Melicope hiiakae. Endangered Species Act critical habitat (final rule published 2012-09-18, 77 FR 57647), mapped at or near this park.
Critical habitat: `Akoko (endangered). Euphorbia rockii. Endangered Species Act critical habitat (final rule published 2012-09-18, 77 FR 57647), mapped at or near this park.
Critical habitat: A`e (endangered). Zanthoxylum oahuense. Endangered Species Act critical habitat (final rule published 2012-09-18, 77 FR 57647), mapped at or near this park.
At the park
- Golf
What's on at Kaau Crater
The park's own calendar lists four dated events from April 1 to December 25, 2027.
December 2027 is the busiest month, with two events.
Two of the four one-day events fall on a weekend.
By kind, the calendar holds two holiday events.
Events
- April Fools’ Day
- 4th of July
- Christmas Eve
- Christmas