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.
Kaʻau Crater at a Glance#
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.
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | - | 16° - 24° | 20° | 311 mm | - | - | 4.0 m/s | - | - |
| February | - | 16° - 24° | 20° | 412 mm | - | - | 4.2 m/s | - | - |
| March | - | 16° - 24° | 20° | 725 mm | - | - | 4.7 m/s | - | - |
| April | - | 17° - 24° | 21° | 602 mm | - | - | 4.8 m/s | - | - |
| May | - | 18° - 25° | 21° | 310 mm | - | - | 4.5 m/s | - | - |
| June | - | 19° - 26° | 22° | 239 mm | - | - | 4.7 m/s | - | - |
| July | - | 20° - 26° | 23° | 230 mm | - | - | 4.9 m/s | - | - |
| August | - | 20° - 27° | 23° | 378 mm | - | - | 4.7 m/s | - | - |
| September | - | 20° - 27° | 23° | 326 mm | - | - | 4.2 m/s | - | - |
| October | - | 19° - 27° | 23° | 446 mm | - | - | 4.1 m/s | - | - |
| November | - | 18° - 25° | 22° | 523 mm | - | - | 4.3 m/s | - | - |
| December | - | 17° - 24° | 21° | 379 mm | - | - | 4.1 m/s | - | - |
