Kaʻau Crater
Crater Volcanic crater within Oʻahu's Koʻolau Range
Crater ridge near Honolulu reached by a steep rainforest trail; hikers tackle muddy switchbacks for waterfall gullies and panoramic views over Oahu.
How to Get to Kaʻau Crater #
Kaʻau Crater trailheads are accessed from Honolulu on Oʻahu. The most common approaches are by car or shuttle to trailhead parking areas; the hike often begins from roads leading into lush valley neighborhoods. Local trail guides and up-to-date condition reports are recommended before setting out.
Tips for Visiting Kaʻau Crater #
- The Kaʻau Crater trail can be muddy and steep; early morning starts avoid late-afternoon rainstorms.
- Wear shoes with good traction; there are sections with metal ladders and slick roots.
- Check local reports; the trail passes through private and public lands and conditions can change after storms.
Best Time to Visit Kaʻau Crater #
Best during the dry season (May-October) for safer trail conditions and clearer views.
Weather & Climate near Kaʻau Crater #
Kaʻau Crater's climate is classified as Tropical Savanna - Tropical Savanna climate with consistently warm temperatures year-round. Temperatures range from 16°C to 27°C. Heavy rainfall (4881 mm/year), wettest in March.
January
January is mild with highs of 24°C and lows of 16°C. Heavy rain (311 mm).
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February
February is mild with highs of 24°C and lows of 16°C. Heavy rain (412 mm).
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March
March is mild with highs of 24°C and lows of 16°C. The wettest month with heavy rain (725 mm).
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April
April is mild with highs of 24°C and lows of 17°C. Heavy rain (602 mm).
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May
May is mild with highs of 25°C and lows of 18°C. Heavy rain (310 mm).
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June
June is mild with highs of 26°C and lows of 19°C. Heavy rain (239 mm).
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July
July is mild with highs of 26°C and lows of 20°C. Heavy rain (230 mm).
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August
August is mild with highs of 27°C and lows of 20°C. Heavy rain (378 mm).
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September
September is the warmest month with highs of 27°C and lows of 20°C. Heavy rain (326 mm).
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October
October is mild with highs of 26°C and lows of 19°C. Heavy rain (446 mm).
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November
November is mild with highs of 25°C and lows of 18°C. Heavy rain (523 mm).
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December
December is mild with highs of 24°C and lows of 17°C. Heavy rain (379 mm).
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