Neighbourhoods
Tips for Visiting Kaʻula
- Kaʻula (Kaʻula Rock) is a very small, remote islet off Niʻihau/Kauaʻi and is not a regular visitor destination-do not plan to land unless you have explicit, verifiable permission.
- The safest way to see Kaʻula is from the deck of a licensed boat or an authorized flightseeing tour; check with Hawaiʻi DLNR and local tour operators about access restrictions and protected-status rules before making arrangements.
When to Go
Best Time to Visit Kaʻula
Best viewed from a boat in the drier summer months when seas are calmer; note that the islet is uninhabited and access is restricted, so check permits and local rules.
Summer (drier)
May-October · 24-30°C
Generally the calmest seas and drier weather-best for boat-based viewing (landing is not generally available); still check local restrictions and sea conditions before planning a trip.
Winter (wetter)
November-March · 22-26°C
Slightly cooler and wetter with more northerly swells and rougher seas; conditions can make boat access and viewing more challenging.
Weather & Climate near Kaʻula
Climate
Subtropical climate with consistently warm temperatures year-round. Temperatures range from 20°C to 28°C. Abundant rainfall (1371 mm/year), wettest in November with a pronounced dry season.
Air Quality:
AQI 15
Good
Temperature & Rainfall
Temperature Range
28°
Warmest Month
20°
Coldest Month
Monthly Conditions
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | - | 20° - 24° | 22° | 184 mm | - | - | 4.7 m/s | - | - |
| February | - | 20° - 24° | 22° | 176 mm | - | - | 4.6 m/s | - | - |
| March | - | 20° - 24° | 22° | 100 mm | - | - | 4.8 m/s | - | - |
| April | - | 21° - 25° | 23° | 72 mm | - | - | 4.7 m/s | - | - |
| May | - | 22° - 26° | 24° | 46 mm | - | - | 4.5 m/s | - | - |
| June | - | 23° - 27° | 25° | 30 mm | - | - | 4.5 m/s | - | - |
| July | - | 24° - 28° | 26° | 43 mm | - | - | 4.8 m/s | - | - |
| August | - | 24° - 28° | 26° | 35 mm | - | - | 4.5 m/s | - | - |
| September | - | 24° - 28° | 26° | 36 mm | - | - | 4.1 m/s | - | - |
| October | - | 24° - 28° | 26° | 67 mm | - | - | 4.2 m/s | - | - |
| November | - | 23° - 26° | 24° | 325 mm | - | - | 4.6 m/s | - | - |
| December | - | 21° - 25° | 23° | 257 mm | - | - | 4.5 m/s | - | - |